知识点:
1: 手工绑定GridView, 不用SqlDataSource
2: 在前台显示HTML 代码(可以将数据绑定到 literal，然后设置 mode=code)
3: 用DropDownList 作查询条件,在 GridView 上显示.
4: 镶嵌GridView.
5: 一次更新多条记录
前台: testGridView2.aspx
1<%
@ Page Language="C#" AutoEventWireup="true" CodeFile="testGridView2.aspx.cs" Inherits="testGridView2" %>
2
3<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
4
5<html xmlns="http://www.w3.org/1999/xhtml" >
6<head runat="server">
7 <title>无标题页</title>
8</head>
9<body>
10 <form id="form1" runat="server">
11 <div>
12 知识点:<br />
13 1: 手工绑定GridView, 不用SqlDataSource<br />
14 2: 在前台显示HTML 代码(可以将数据绑定到 literal，然后设置 mode=code)<br />
15 3: 用DropDownList 作查询条件,在 GridView 上显示.<br />
16 4: 镶嵌GridView.<br />
17 <br />
18 <br />
19 下面做例子<br />
20 <br />
21 <asp:GridView ID="GridView1" runat="server" BackColor="White" BorderColor="#CCCCCC"
22 BorderStyle="None" BorderWidth="1px" CellPadding="3" AllowSorting="True" AutoGenerateColumns="False" AutoGenerateDeleteButton="True" AutoGenerateEditButton="True" OnRowCancelingEdit="GridView1_RowCancelingEdit" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing" OnRowUpdating="GridView1_RowUpdating" DataKeyNames="au_id">
23 <FooterStyle BackColor="White" ForeColor="#000066" />
24 <Columns>
25 <asp:TemplateField HeaderText="名字">
26 <EditItemTemplate>
27 <asp:TextBox ID="txtname" runat="server" Text='<%# Eval("au_fname") %>'></asp:TextBox>
28 </EditItemTemplate>
29 <ItemTemplate>
30 <asp:Label ID="lblfname" runat="server" Text='<%# Eval("au_fname") %>'></asp:Label>
31 </ItemTemplate>
32 </asp:TemplateField>
33 <asp:TemplateField HeaderText="城市">
34 <EditItemTemplate>
35 <asp:TextBox ID="txtcity" runat="server" Text='<%# Eval("city") %>'></asp:TextBox>
36 </EditItemTemplate>
37 <ItemTemplate>
38 <asp:Label ID="lblCity" runat="server" Text='<%# Eval("City") %>'></asp:Label>
39 </ItemTemplate>
40 </asp:TemplateField>
41 <asp:TemplateField HeaderText="电话">
42 <EditItemTemplate>
43 <asp:TextBox ID="txtphone" runat="server" Text='<%# Eval("phone") %>'></asp:TextBox>
44 </EditItemTemplate>
45 <ItemTemplate>
46 <asp:Label ID="lblphone" runat="server" Text='<%# Eval("phone") %>'></asp:Label>
47 </ItemTemplate>
48 </asp:TemplateField>
49 <asp:TemplateField HeaderText="显示HTML代码">
50 <ItemTemplate>
51 <asp:Literal ID="Literal1" runat="server" Mode="Encode" Text="<B><I>显示HTML</I></B>"></asp:Literal>
52 </ItemTemplate>
53 </asp:TemplateField>
54 </Columns>
55 <RowStyle ForeColor="#000066" />
56 <SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
57 <PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
58 <HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
59 <PagerSettings Visible="False" />
60 </asp:GridView>
61 <asp:Panel ID="Panel1" runat="server" BackColor="#E0E0E0" Height="25px" Width="483px">
62 <asp:Button ID="btnfirst" runat="server" Text="首页" CommandArgument="first" OnClick="pagging_click" />
63 <asp:Button ID="btnUp" runat="server" Text="上一页" CommandArgument="up" OnClick="pagging_click" />
64 <asp:Button ID="btnNext" runat="server" Text="下一页" CommandArgument="next" OnClick="pagging_click" />
65 <asp:Button ID="btnEnd" runat="server" Text="页尾" CommandArgument="end" OnClick="pagging_click" /></asp:Panel>
66 <br />
67 <br />
68 =================<br />
69 下面这个是利用一个DropDownList当作查询条件,然后在GridView 中显示<br />
70 <br />
71 <asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" DataSourceID="SqlDataSource1"
72 DataTextField="state" DataValueField="state">
73 </asp:DropDownList>
74 <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:pubsConnectionString %>"
75 SelectCommand="SELECT DISTINCT [state] FROM [authors]"></asp:SqlDataSource>
76 <asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" CellPadding="4"
77 DataKeyNames="au_id" DataSourceID="SqlDataSource2" ForeColor="#333333" GridLines="None">
78 <FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
79 <Columns>
80 <asp:BoundField DataField="au_fname" HeaderText="au_fname" SortExpression="au_fname" />
81 <asp:BoundField DataField="au_id" HeaderText="au_id" ReadOnly="True" SortExpression="au_id" />
82 <asp:BoundField DataField="city" HeaderText="city" SortExpression="city" />
83 <asp:BoundField DataField="state" HeaderText="state" SortExpression="state" />
84 <asp:BoundField DataField="phone" HeaderText="phone" SortExpression="phone" />
85 </Columns>
86 <RowStyle BackColor="#F7F6F3" ForeColor="#333333" />
87 <EditRowStyle BackColor="#999999" />
88 <SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
89 <PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
90 <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
91 <AlternatingRowStyle BackColor="White" ForeColor="#284775" />
92 </asp:GridView>
93 <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:pubsConnectionString %>"
94 SelectCommand="SELECT [au_fname], [au_id], [city], [state], [phone] FROM [authors] WHERE ([state] = @state)">
95 <SelectParameters>
96 <asp:ControlParameter ControlID="DropDownList1" Name="state" PropertyName="SelectedValue"
97 Type="String" />
98 </SelectParameters>
99 </asp:SqlDataSource>
100 <br />
101 =========================<br />
102 下面是一个镶嵌事例．<br />
103 <asp:GridView ID="GridView3" runat="server" AutoGenerateColumns="False" BackColor="White"
104 BorderColor="#CC9966" BorderStyle="None" BorderWidth="1px" CellPadding="4" DataKeyNames="emp_id"
105 DataSourceID="SqlDataSource3" OnRowDataBound="GridView3_RowDataBound">
106 <FooterStyle BackColor="#FFFFCC" ForeColor="#330099" />
107 <Columns>
108 <asp:BoundField DataField="emp_id" HeaderText="emp_id" ReadOnly="True" SortExpression="emp_id" />
109 <asp:BoundField DataField="lname" HeaderText="lname" SortExpression="lname" />
110 <asp:BoundField DataField="pub_id" HeaderText="pub_id" SortExpression="pub_id" />
111 <asp:TemplateField>
112 <HeaderTemplate>
113 书名
114 </HeaderTemplate>
115 <ItemTemplate>
116 <asp:BulletedList ID="BulletedList1" runat="server">
117 </asp:BulletedList>
118 </ItemTemplate>
119 </asp:TemplateField>
120 </Columns>
121 <RowStyle BackColor="White" ForeColor="#330099" />
122 <SelectedRowStyle BackColor="#FFCC66" Font-Bold="True" ForeColor="#663399" />
123 <PagerStyle BackColor="#FFFFCC" ForeColor="#330099" HorizontalAlign="Center" />
124 <HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="#FFFFCC" />
125 </asp:GridView>
126 <asp:SqlDataSource ID="SqlDataSource3" runat="server" ConnectionString="<%$ ConnectionStrings:pubsConnectionString %>"
127 SelectCommand="SELECT [emp_id], [lname], [pub_id] FROM [employee]"></asp:SqlDataSource>
128 <br />
129 <br />
130 ===========================<br />
131 一次更新多条记录<br />
132 <asp:GridView ID="GridView4" runat="server" AutoGenerateColumns="False" CellPadding="4"
133 DataKeyNames="au_id" DataSourceID="SqlDataSource4" ForeColor="#333333" GridLines="None" AllowPaging="True">
134 <FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
135 <Columns>
136 <asp:BoundField DataField="au_id" HeaderText="au_id" ReadOnly="True" SortExpression="au_id" />
137 <asp:BoundField DataField="au_fname" HeaderText="au_fname" SortExpression="au_fname" />
138 <asp:TemplateField HeaderText="编辑该列" Visible="False">
139 <EditItemTemplate>
140
141 </EditItemTemplate>
142 <ItemTemplate>
143 <asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("au_fname") %>'></asp:TextBox>
144 </ItemTemplate>
145 <HeaderTemplate>
146 编辑该列
147 </HeaderTemplate>
148 </asp:TemplateField>
149 <asp:BoundField DataField="city" HeaderText="city" SortExpression="city" />
150 <asp:BoundField DataField="phone" HeaderText="phone" SortExpression="phone" />
151 <asp:BoundField DataField="state" HeaderText="state" SortExpression="state" />
152 </Columns>
153 <RowStyle BackColor="#F7F6F3" ForeColor="#333333" />
154 <EditRowStyle BackColor="#999999" />
155 <SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
156 <PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
157 <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
158 <AlternatingRowStyle BackColor="White" ForeColor="#284775" />
159 </asp:GridView>
160
161 <asp:SqlDataSource ID="SqlDataSource4" runat="server" ConnectionString="<%$ ConnectionStrings:pubsConnectionString %>"
162 SelectCommand="SELECT [au_id], [au_fname], [city], [phone], [state] FROM [authors]">
163 </asp:SqlDataSource>
164 <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="编辑全部" />
165 <asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="保存全部" /> <br />
166 <br />
167 <br />
168 <br />
169 <br />
170 </div>
171 </form>
172</body>
173</html>
174
后台: testGridView2.aspx.cs
1using System;
2using System.Data;
3using System.Configuration;
4using System.Collections;
5using System.Web;
6using System.Web.Security;
7using System.Web.UI;
8using System.Web.UI.WebControls;
9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11using System.Data.SqlClient;
12
13public partial class testGridView2 : System.Web.UI.Page
14{
15
protected void Page_Load(object sender, EventArgs e)
16
{
17 if (!IsPostBack)
18 {
19 bind();
20
}
21 }
22
23 #region
24 /**//// <summary>
25 /// 设置一个绑定类,手工绑定GridView,不用SqlDataSource.
26 /// </summary>
27 private void bind()
28 {
29 SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["pubsConnectionString"].ConnectionString);
30 SqlDataAdapter sda = new SqlDataAdapter("select * from [authors]",con);
31 DataSet ds = new DataSet();
32 sda.Fill(ds,"authors");
33
34 GridView1.DataSource=ds.Tables["authors"];
35 //下面设置分页
36 GridView1.AllowPaging = true;
37 GridView1.PageSize = 5;
38
39 //再绑定数据
40 GridView1.DataBind();
41
42 //下面设置分页导航按钮的显示状态．比如：第一页时，上一页与首页不可见．
43 if(GridView1.PageIndex==0)
44 {//页码在首页时，上一页与首页的按钮不显示
45 btnfirst.Visible = false;
46 btnUp.Visible = false;
47 }
48 else
49 {
50 btnfirst.Visible = true;
51 btnUp.Visible = true;
52 }
53
54 if (GridView1.PageIndex == GridView1.PageCount - 1)
55 {//页码在尾页时，下一页与末页的按钮不显示
56 btnNext.Visible = false;
57 btnEnd.Visible = false;
58 }
59 else
60 {
61 btnNext.Visible = true;
62 btnEnd.Visible = true;
63 }
64
65 }
66 #endregion
67
68 #region
69 /**////
70 ///设置一个命令cmd,用于对数据的添加,删除,修改等操作.
71 /// 根据参数: que
72 ///
73 private int cmd(string que)
74 {
75 SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["pubsConnectionString"].ConnectionString);
76 con.Open();
77 SqlCommand cmd = new SqlCommand(que,con);
78 return cmd.ExecuteNonQuery();
79 }
80 #endregion
81
82 #region
83 /**//// <summary>
84 /// 实现分页,注意要设置上一页,下一页,首页,页尾等四个按钮的click事件=pagging_click
85 /// </summary>
86 protected void pagging_click(object sender, EventArgs e)
87 {
88 switch(((Button)sender).CommandArgument.ToString())
89 {//获取 四个按钮的 CommandArgument参数
90 case "first":
91 GridView1.PageIndex=0;
92 break;
93 case "up":
94 GridView1.PageIndex=GridView1.PageIndex-1;
95 break;
96 case "next":
97 GridView1.PageIndex = GridView1.PageIndex + 1;
98 break;
99 case "end":
100 GridView1.PageIndex = GridView1.PageCount - 1;
101 break;
102 }
103 bind();
104 }
105 #endregion
106
107
108 #region
109 /**//// <summary>
110 /// 设置数据行的事件,比如:修改,删除,取消编辑
111 /// </summary>
112 protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
113 {//取消编辑 cancel 事件.
114 GridView1.EditIndex = -1;
115 bind();
116 }
117 protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
118 {// 删除记录 Delete
119 string id = GridView1.DataKeys[e.RowIndex]["au_id"].ToString();
120 string que = "delete from authors where au_id='"+id+"'";
121 if(cmd(que)>0)
122 {
123 bind();
124 }
125
126 }
127 protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
128 {//进入编辑模式 Edit
129 GridView1.EditIndex = e.NewEditIndex;
130 bind();
131 }
132 protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
133 {//编辑动作 Update , 先取得当前ID, 注意这里的写法(如何取得当前前的字段值):
134 string id = GridView1.DataKeys[e.RowIndex]["au_id"].ToString();
135 //注意下面这里,这些必须做在一个模板列里面,要不然是找不到这个"控件"的
136 //显示的列写在 ItemTemple..里面，编辑的列写在 EditTemp里面
137 string fname = ((TextBox)GridView1.Rows[e.RowIndex].Cells[1].FindControl("txtname")).Text;
138 string city = ((TextBox)GridView1.Rows[e.RowIndex].Cells[2].FindControl("txtcity")).Text;
139 string phone = ((TextBox)GridView1.Rows[e.RowIndex].Cells[3].FindControl("txtphone")).Text;
140
141 string que = "update authors set au_fname='"+fname+"',city='"+city+"',phone='"+phone+"' where au_id='"+id+"'";
142 if(cmd(que)>0)
143 {// 如果 > 0 ，则编辑成功,退出编辑模式．
144 GridView1.EditIndex = -1;
145 bind();
146 }
147
148
149 //string id = GridView1.DataKeys[e.RowIndex]["au_id"].ToString();
150 //string fname = ((TextBox)GridView1.Rows[e.RowIndex].Cells[1].FindControl("TextBox1")).Text;
151 /**/////注意上面，我之所以找到了文本框的名字，那是因为我把所有的列都转换成了模板列，不怕你笑，我整了至少一个小时才整出来
152 ////但是编辑他的数据根本没有这么麻烦，我们即将学到的DetailsView和FromView可以轻松完成这个任务．
153 ////这里我硬着头皮做出来只是因为给有些喜欢玩稀奇的朋友提个思路。
154 //string city = ((TextBox)GridView1.Rows[e.RowIndex].Cells[2].FindControl("TextBox2")).Text;
155 //string phone = ((TextBox)GridView1.Rows[e.RowIndex].Cells[3].FindControl("TextBox3")).Text;
156 //string query = "update authors set au_fname='" + fname + "',city='" + city + "',phone='" + phone + "' where au_id='" + id + "'";
157 //if (cmd(query) > 0)
158 //{
159 // GridView1.EditIndex = -1;
160 // bind();
161 //}
162
163
164 }
165 #endregion
166
167 private SqlDataReader read(string id)
168 {
169 SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["pubsConnectionString"].ConnectionString);
170 con.Open();
171 SqlCommand cmd = new SqlCommand("select title from titles where pub_id='" + id + "'", con);
172 //注意下面这句！！
173 return cmd.ExecuteReader(CommandBehavior.CloseConnection);
174 }
175
176
177 protected void GridView3_RowDataBound(object sender, GridViewRowEventArgs e)
178 {
179 foreach (GridViewRow gvr in GridView3.Rows)
180 {//跌代GridView1的所有行
181 string id = gvr.Cells[2].Text;
182 //查找到当前行的第三列的文本,把他作为我们的ID,换句话说是作为我们的查询条件
183 BulletedList bl = (BulletedList)gvr.Cells[3].FindControl("BulletedList1");
184 //找到我们安排到第4列的卧底,一个被镶套在里面的BulletedList
185 bl.DataSource = read(id);
186 //将他的数据源指定为我们上面定制的方法,当然,还是得把ID传给他
187 bl.DataTextField = "title";
188 //指定要显示的文本字段
189 bl.DataBind();
190 //我不想说了,这个要是你不知道的话,去死吧你!
191 }
192 }
193 protected void Button1_Click(object sender, EventArgs e)
194 {//编辑全部
195 GridView4.Columns[1].Visible = false;//隐藏显示列
196 GridView4.Columns[2].Visible = true; //显示编辑列
197 }
198 protected void Button2_Click(object sender, EventArgs e)
199 {
200 for (int i = 0; i < GridView4.Rows.Count; i++)
201 {//循环所有的数据行
202 string id = (GridView4.Rows[i].Cells[0].Text).ToString();
203 string fname = ((TextBox)GridView4.Rows[i].Cells[2].FindControl("TextBox1")).Text;
204 //得到当前行的ID和Job_desc列的值
205 SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["pubsConnectionString"].ConnectionString);
206 con.Open();
207 SqlCommand cmd = new SqlCommand("update authors set au_fname='" + fname + "' where au_id='" + id + "'", con);
208 cmd.ExecuteNonQuery();
209 //执行更新
210
211 //更新全部。隐藏第3列，显示第2列
212 GridView4.Columns[2].Visible = false;
213 GridView4.Columns[1].Visible = true;
214 }
215 }
216
}
217
1
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="testGridView2.aspx.cs" Inherits="testGridView2" %>2
3
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">4
5
<html xmlns="http://www.w3.org/1999/xhtml" >6
<head runat="server">7
<title>无标题页</title>8
</head>9
<body>10
<form id="form1" runat="server">11
<div>12
知识点:<br />13
1: 手工绑定GridView, 不用SqlDataSource<br />14
2: 在前台显示HTML 代码(可以将数据绑定到 literal，然后设置 mode=code)<br />15
3: 用DropDownList 作查询条件,在 GridView 上显示.<br />16
4: 镶嵌GridView.<br />17
<br />18
<br />19
下面做例子<br />20
<br />21
<asp:GridView ID="GridView1" runat="server" BackColor="White" BorderColor="#CCCCCC"22
BorderStyle="None" BorderWidth="1px" CellPadding="3" AllowSorting="True" AutoGenerateColumns="False" AutoGenerateDeleteButton="True" AutoGenerateEditButton="True" OnRowCancelingEdit="GridView1_RowCancelingEdit" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing" OnRowUpdating="GridView1_RowUpdating" DataKeyNames="au_id">23
<FooterStyle BackColor="White" ForeColor="#000066" />24
<Columns>25
<asp:TemplateField HeaderText="名字">26
<EditItemTemplate>27
<asp:TextBox ID="txtname" runat="server" Text='<%# Eval("au_fname") %>'></asp:TextBox>28
</EditItemTemplate>29
<ItemTemplate>30
<asp:Label ID="lblfname" runat="server" Text='<%# Eval("au_fname") %>'></asp:Label>31
</ItemTemplate>32
</asp:TemplateField>33
<asp:TemplateField HeaderText="城市">34
<EditItemTemplate>35
<asp:TextBox ID="txtcity" runat="server" Text='<%# Eval("city") %>'></asp:TextBox>36
</EditItemTemplate>37
<ItemTemplate>38
<asp:Label ID="lblCity" runat="server" Text='<%# Eval("City") %>'></asp:Label>39
</ItemTemplate>40
</asp:TemplateField>41
<asp:TemplateField HeaderText="电话">42
<EditItemTemplate>43
<asp:TextBox ID="txtphone" runat="server" Text='<%# Eval("phone") %>'></asp:TextBox>44
</EditItemTemplate>45
<ItemTemplate>46
<asp:Label ID="lblphone" runat="server" Text='<%# Eval("phone") %>'></asp:Label>47
</ItemTemplate>48
</asp:TemplateField>49
<asp:TemplateField HeaderText="显示HTML代码">50
<ItemTemplate>51
<asp:Literal ID="Literal1" runat="server" Mode="Encode" Text="<B><I>显示HTML</I></B>"></asp:Literal>52
</ItemTemplate>53
</asp:TemplateField>54
</Columns>55
<RowStyle ForeColor="#000066" />56
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />57
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />58
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />59
<PagerSettings Visible="False" />60
</asp:GridView>61
<asp:Panel ID="Panel1" runat="server" BackColor="#E0E0E0" Height="25px" Width="483px">62
<asp:Button ID="btnfirst" runat="server" Text="首页" CommandArgument="first" OnClick="pagging_click" />63
<asp:Button ID="btnUp" runat="server" Text="上一页" CommandArgument="up" OnClick="pagging_click" />64
<asp:Button ID="btnNext" runat="server" Text="下一页" CommandArgument="next" OnClick="pagging_click" />65
<asp:Button ID="btnEnd" runat="server" Text="页尾" CommandArgument="end" OnClick="pagging_click" /></asp:Panel>66
<br />67
<br />68
=================<br />69
下面这个是利用一个DropDownList当作查询条件,然后在GridView 中显示<br />70
<br />71
<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" DataSourceID="SqlDataSource1"72
DataTextField="state" DataValueField="state">73
</asp:DropDownList>74
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:pubsConnectionString %>"75
SelectCommand="SELECT DISTINCT [state] FROM [authors]"></asp:SqlDataSource>76
<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" CellPadding="4"77
DataKeyNames="au_id" DataSourceID="SqlDataSource2" ForeColor="#333333" GridLines="None">78
<FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />79
<Columns>80
<asp:BoundField DataField="au_fname" HeaderText="au_fname" SortExpression="au_fname" />81
<asp:BoundField DataField="au_id" HeaderText="au_id" ReadOnly="True" SortExpression="au_id" />82
<asp:BoundField DataField="city" HeaderText="city" SortExpression="city" />83
<asp:BoundField DataField="state" HeaderText="state" SortExpression="state" />84
<asp:BoundField DataField="phone" HeaderText="phone" SortExpression="phone" />85
</Columns>86
<RowStyle BackColor="#F7F6F3" ForeColor="#333333" />87
<EditRowStyle BackColor="#999999" />88
<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />89
<PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />90
<HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />91
<AlternatingRowStyle BackColor="White" ForeColor="#284775" />92
</asp:GridView>93
<asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:pubsConnectionString %>"94
SelectCommand="SELECT [au_fname], [au_id], [city], [state], [phone] FROM [authors] WHERE ([state] = @state)">95
<SelectParameters>96
<asp:ControlParameter ControlID="DropDownList1" Name="state" PropertyName="SelectedValue"97
Type="String" />98
</SelectParameters>99
</asp:SqlDataSource>100
<br />101
=========================<br />102
下面是一个镶嵌事例．<br />103
<asp:GridView ID="GridView3" runat="server" AutoGenerateColumns="False" BackColor="White"104
BorderColor="#CC9966" BorderStyle="None" BorderWidth="1px" CellPadding="4" DataKeyNames="emp_id"105
DataSourceID="SqlDataSource3" OnRowDataBound="GridView3_RowDataBound">106
<FooterStyle BackColor="#FFFFCC" ForeColor="#330099" />107
<Columns>108
<asp:BoundField DataField="emp_id" HeaderText="emp_id" ReadOnly="True" SortExpression="emp_id" />109
<asp:BoundField DataField="lname" HeaderText="lname" SortExpression="lname" />110
<asp:BoundField DataField="pub_id" HeaderText="pub_id" SortExpression="pub_id" />111
<asp:TemplateField>112
<HeaderTemplate>113
书名114
</HeaderTemplate>115
<ItemTemplate>116
<asp:BulletedList ID="BulletedList1" runat="server">117
</asp:BulletedList>118
</ItemTemplate>119
</asp:TemplateField>120
</Columns>121
<RowStyle BackColor="White" ForeColor="#330099" />122
<SelectedRowStyle BackColor="#FFCC66" Font-Bold="True" ForeColor="#663399" />123
<PagerStyle BackColor="#FFFFCC" ForeColor="#330099" HorizontalAlign="Center" />124
<HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="#FFFFCC" />125
</asp:GridView>126
<asp:SqlDataSource ID="SqlDataSource3" runat="server" ConnectionString="<%$ ConnectionStrings:pubsConnectionString %>"127
SelectCommand="SELECT [emp_id], [lname], [pub_id] FROM [employee]"></asp:SqlDataSource>128
<br />129
<br />130
===========================<br />131
一次更新多条记录<br />132
<asp:GridView ID="GridView4" runat="server" AutoGenerateColumns="False" CellPadding="4"133
DataKeyNames="au_id" DataSourceID="SqlDataSource4" ForeColor="#333333" GridLines="None" AllowPaging="True">134
<FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />135
<Columns>136
<asp:BoundField DataField="au_id" HeaderText="au_id" ReadOnly="True" SortExpression="au_id" />137
<asp:BoundField DataField="au_fname" HeaderText="au_fname" SortExpression="au_fname" />138
<asp:TemplateField HeaderText="编辑该列" Visible="False">139
<EditItemTemplate>140
141
</EditItemTemplate>142
<ItemTemplate>143
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("au_fname") %>'></asp:TextBox>144
</ItemTemplate>145
<HeaderTemplate>146
编辑该列147
</HeaderTemplate>148
</asp:TemplateField>149
<asp:BoundField DataField="city" HeaderText="city" SortExpression="city" />150
<asp:BoundField DataField="phone" HeaderText="phone" SortExpression="phone" />151
<asp:BoundField DataField="state" HeaderText="state" SortExpression="state" />152
</Columns>153
<RowStyle BackColor="#F7F6F3" ForeColor="#333333" />154
<EditRowStyle BackColor="#999999" />155
<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />156
<PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />157
<HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />158
<AlternatingRowStyle BackColor="White" ForeColor="#284775" />159
</asp:GridView>160
161
<asp:SqlDataSource ID="SqlDataSource4" runat="server" ConnectionString="<%$ ConnectionStrings:pubsConnectionString %>"162
SelectCommand="SELECT [au_id], [au_fname], [city], [phone], [state] FROM [authors]">163
</asp:SqlDataSource>164
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="编辑全部" />165
<asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="保存全部" /> <br />166
<br />167
<br />168
<br />169
<br />170
</div>171
</form>172
</body>173
</html>174
后台: testGridView2.aspx.cs
1
using System;2
using System.Data;3
using System.Configuration;4
using System.Collections;5
using System.Web;6
using System.Web.Security;7
using System.Web.UI;8
using System.Web.UI.WebControls;9
using System.Web.UI.WebControls.WebParts;10
using System.Web.UI.HtmlControls;11
using System.Data.SqlClient;12
13
public partial class testGridView2 : System.Web.UI.Page14
{15
protected void Page_Load(object sender, EventArgs e)16
{17
if (!IsPostBack)18
{19
bind();20
}21
}22
23
#region24
/**//// <summary>25
/// 设置一个绑定类,手工绑定GridView,不用SqlDataSource.26
/// </summary>27
private void bind()28
{29
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["pubsConnectionString"].ConnectionString);30
SqlDataAdapter sda = new SqlDataAdapter("select * from [authors]",con);31
DataSet ds = new DataSet();32
sda.Fill(ds,"authors");33
34
GridView1.DataSource=ds.Tables["authors"];35
//下面设置分页36
GridView1.AllowPaging = true;37
GridView1.PageSize = 5;38
39
//再绑定数据40
GridView1.DataBind();41
42
//下面设置分页导航按钮的显示状态．比如：第一页时，上一页与首页不可见．43
if(GridView1.PageIndex==0)44
{//页码在首页时，上一页与首页的按钮不显示45
btnfirst.Visible = false;46
btnUp.Visible = false;47
}48
else49
{50
btnfirst.Visible = true;51
btnUp.Visible = true;52
}53
54
if (GridView1.PageIndex == GridView1.PageCount - 1)55
{//页码在尾页时，下一页与末页的按钮不显示56
btnNext.Visible = false;57
btnEnd.Visible = false;58
}59
else60
{61
btnNext.Visible = true;62
btnEnd.Visible = true;63
}64
65
}66
#endregion67
68
#region69
/**////70
///设置一个命令cmd,用于对数据的添加,删除,修改等操作.71
/// 根据参数: que 72
///73
private int cmd(string que)74
{75
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["pubsConnectionString"].ConnectionString);76
con.Open();77
SqlCommand cmd = new SqlCommand(que,con);78
return cmd.ExecuteNonQuery();79
}80
#endregion81
82
#region83
/**//// <summary>84
/// 实现分页,注意要设置上一页,下一页,首页,页尾等四个按钮的click事件=pagging_click85
/// </summary>86
protected void pagging_click(object sender, EventArgs e)87
{88
switch(((Button)sender).CommandArgument.ToString())89
{//获取 四个按钮的 CommandArgument参数90
case "first":91
GridView1.PageIndex=0;92
break;93
case "up":94
GridView1.PageIndex=GridView1.PageIndex-1;95
break;96
case "next":97
GridView1.PageIndex = GridView1.PageIndex + 1;98
break;99
case "end":100
GridView1.PageIndex = GridView1.PageCount - 1;101
break;102
}103
bind();104
}105
#endregion106
107
108
#region109
/**//// <summary>110
/// 设置数据行的事件,比如:修改,删除,取消编辑111
/// </summary>112
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)113
{//取消编辑 cancel 事件.114
GridView1.EditIndex = -1;115
bind();116
}117
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)118
{// 删除记录 Delete119
string id = GridView1.DataKeys[e.RowIndex]["au_id"].ToString();120
string que = "delete from authors where au_id='"+id+"'";121
if(cmd(que)>0)122
{123
bind();124
}125
126
}127
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)128
{//进入编辑模式 Edit129
GridView1.EditIndex = e.NewEditIndex;130
bind();131
}132
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)133
{//编辑动作 Update , 先取得当前ID, 注意这里的写法(如何取得当前前的字段值):134
string id = GridView1.DataKeys[e.RowIndex]["au_id"].ToString();135
//注意下面这里,这些必须做在一个模板列里面,要不然是找不到这个"控件"的136
//显示的列写在 ItemTemple..里面，编辑的列写在 EditTemp里面137
string fname = ((TextBox)GridView1.Rows[e.RowIndex].Cells[1].FindControl("txtname")).Text;138
string city = ((TextBox)GridView1.Rows[e.RowIndex].Cells[2].FindControl("txtcity")).Text;139
string phone = ((TextBox)GridView1.Rows[e.RowIndex].Cells[3].FindControl("txtphone")).Text;140
141
string que = "update authors set au_fname='"+fname+"',city='"+city+"',phone='"+phone+"' where au_id='"+id+"'";142
if(cmd(que)>0)143
{// 如果 > 0 ，则编辑成功,退出编辑模式．144
GridView1.EditIndex = -1;145
bind();146
}147
148
149
//string id = GridView1.DataKeys[e.RowIndex]["au_id"].ToString();150
//string fname = ((TextBox)GridView1.Rows[e.RowIndex].Cells[1].FindControl("TextBox1")).Text;151
/**/////注意上面，我之所以找到了文本框的名字，那是因为我把所有的列都转换成了模板列，不怕你笑，我整了至少一个小时才整出来152
////但是编辑他的数据根本没有这么麻烦，我们即将学到的DetailsView和FromView可以轻松完成这个任务．153
////这里我硬着头皮做出来只是因为给有些喜欢玩稀奇的朋友提个思路。154
//string city = ((TextBox)GridView1.Rows[e.RowIndex].Cells[2].FindControl("TextBox2")).Text;155
//string phone = ((TextBox)GridView1.Rows[e.RowIndex].Cells[3].FindControl("TextBox3")).Text;156
//string query = "update authors set au_fname='" + fname + "',city='" + city + "',phone='" + phone + "' where au_id='" + id + "'";157
//if (cmd(query) > 0)158
//{159
// GridView1.EditIndex = -1;160
// bind();161
//}162
163
164
}165
#endregion166
167
private SqlDataReader read(string id)168
{169
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["pubsConnectionString"].ConnectionString);170
con.Open();171
SqlCommand cmd = new SqlCommand("select title from titles where pub_id='" + id + "'", con);172
//注意下面这句！！173
return cmd.ExecuteReader(CommandBehavior.CloseConnection);174
}175
176
177
protected void GridView3_RowDataBound(object sender, GridViewRowEventArgs e)178
{179
foreach (GridViewRow gvr in GridView3.Rows)180
{//跌代GridView1的所有行181
string id = gvr.Cells[2].Text;182
//查找到当前行的第三列的文本,把他作为我们的ID,换句话说是作为我们的查询条件183
BulletedList bl = (BulletedList)gvr.Cells[3].FindControl("BulletedList1");184
//找到我们安排到第4列的卧底,一个被镶套在里面的BulletedList185
bl.DataSource = read(id);186
//将他的数据源指定为我们上面定制的方法,当然,还是得把ID传给他187
bl.DataTextField = "title";188
//指定要显示的文本字段189
bl.DataBind();190
//我不想说了,这个要是你不知道的话,去死吧你!191
}192
}193
protected void Button1_Click(object sender, EventArgs e)194
{//编辑全部195
GridView4.Columns[1].Visible = false;//隐藏显示列196
GridView4.Columns[2].Visible = true; //显示编辑列197
}198
protected void Button2_Click(object sender, EventArgs e)199
{200
for (int i = 0; i < GridView4.Rows.Count; i++)201
{//循环所有的数据行202
string id = (GridView4.Rows[i].Cells[0].Text).ToString();203
string fname = ((TextBox)GridView4.Rows[i].Cells[2].FindControl("TextBox1")).Text;204
//得到当前行的ID和Job_desc列的值205
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["pubsConnectionString"].ConnectionString);206
con.Open();207
SqlCommand cmd = new SqlCommand("update authors set au_fname='" + fname + "' where au_id='" + id + "'", con);208
cmd.ExecuteNonQuery();209
//执行更新210
211
//更新全部。隐藏第3列，显示第2列212
GridView4.Columns[2].Visible = false;213
GridView4.Columns[1].Visible = true;214
}215
}216
}217
