关于GridView中自定义分页、单选、多选的简单应用

2006-06-30 17:23 蓝之风阅读(481) 评论(0) 编辑收藏举报

关于VS2005中GridView的自定义分页，单选、多选的简单应用。
前台代码；

简单示例，代码如下，
2

  ExempGridView.aspx的代码：
  3  <%@ Page Language="C#" AutoEventWireup="true" CodeFile="ExempGridView.aspx.cs" Inherits="gridview_ExempGridView" %>
  4

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
5

<html xmlns="http://www.w3.org/1999/xhtml">
6

<head runat="server">
7

     <title></title>
  8      <script language="javascript" type="text/javascript">
  9     // 全部选中
10     function QuanXuan_Click()
11      {
12         if (document.form1.checkboxname.length)
13          {
14             for (var i=0;i<document.form1.checkboxname.length;i++)
15              {
16                 document.form1.checkboxname[i].checked = true;
17             }
18         }
19         else
20          {
21             document.form1.checkboxname.checked = true;
22         }
23     }
24
25     // 取消选中
26     function QuXiao_Click()
27     {
28         if (document.form1.checkboxname.length)
29          {
30             for (var i=0;i<document.form1.checkboxname.length;i++)
31             {
32                 document.form1.checkboxname[i].checked = false;
33             }
34         }
35         else
36         {
37             document.form1.checkboxname.checked = false;
38         }
39     }
40
41     // 判断没有选中的返回false
42     function slcNo_click()
43     {
44         if (document.form1.checkboxname.length)
45         {
46             for (var i=0;i<document.form1.checkboxname.length;i++)
47              {
48                 if(document.form1.checkboxname[i].checked)
49                  {
50                     return true;
51                 }
52             }
53         }
54         else
55         {
56             if(document.form1.checkboxname.checked)
57              {
58                 return true;
59             }
60         }
61         alert("请选择后再操作！");
62         return false;
63     }
64
65     // 改变行的颜色
66     if (!objbeforeItem)
67     {
68         var objbeforeItem=null;
69         var objbeforeItembackgroundColor=null;
70     }
71
72     function ItemOver(obj)
73     {
74         objbeforeItembackgroundColor=obj.style.backgroundColor;
75         obj.style.backgroundColor="#B9D1F3";
76         objbeforeItem=obj;
77     }
78
79     function ItemOut(obj)
80     {
81         if(objbeforeItem)
82         {
83             objbeforeItem.style.backgroundColor=objbeforeItembackgroundColor;
84         }
85     }
86     </script>
87

</head>
88

<body>
89

<form id="form1" runat="server">
90

<div>
91

<table cellpadding="0" cellspacing="0" border="0" width="60%" style="font-size: 11px">
92

<tr>
93

<td align="center">
94

<asp:GridView ID="GridView1" runat="server" Width="100%" CellPadding="4" ForeColor="#333333"
95

AutoGenerateColumns="False" AllowPaging="True" PageSize="12" BorderColor="Silver"
96

BorderStyle="Solid" BorderWidth="1px" OnRowDataBound="GridView1_RowDataBound">
97

<Columns>
98

<asp:BoundField HeaderText="编号" DataField="id" Visible="false" />
99

<asp:TemplateField HeaderText="多选">
100

<ItemTemplate>
101

<input type="checkbox" id="checkboxname" name="checkboxname" value='<%# DataBinder.Eval(Container.DataItem, "id")%>' />
102

</ItemTemplate>
103

</asp:TemplateField>
104

<asp:TemplateField HeaderText="单选">
105

<ItemTemplate>
106

<input type="radio" id="RadioName" name="RadioName" value='<%# DataBinder.Eval(Container.DataItem, "id")%>'/>
107

</ItemTemplate>
108

</asp:TemplateField>
109

<asp:BoundField HeaderText="姓名" DataField="name" />
110

<asp:BoundField HeaderText="身份证号" DataField="card" />
111

<asp:BoundField HeaderText="建立时间" DataField="createdate" />
112

</Columns>
113

<PagerSettings Visible="False" />
114

</asp:GridView>
115

</td>
116

</tr>
117

<tr>
118

<td align="center" style="height: 25px">
119

<asp:LinkButton ID="btnFirst" CommandArgument="first" OnClick="PagerButtonClick"
120

runat="server">首页</asp:LinkButton>
121

<asp:LinkButton ID="btnPrev" CommandArgument="prev" OnClick="PagerButtonClick" runat="server">上一页</asp:LinkButton>
122

<asp:LinkButton ID="btnNext" CommandArgument="next" OnClick="PagerButtonClick" runat="server">下一页</asp:LinkButton>
123

<asp:LinkButton ID="btnLast" CommandArgument="last" OnClick="PagerButtonClick" runat="server">尾页</asp:LinkButton>
124

<asp:Label ID="LblCurrentIndex" runat="server"></asp:Label>
125

<asp:Label ID="LblPageCount" runat="server"></asp:Label>
126

<asp:Label ID="LblRecordCount" runat="server"></asp:Label>
127

<asp:Label ID="LblNoRecord" runat="server" Text="记录为零" Visible="False"></asp:Label></td>
128

</tr>
129

<tr>
130

<td>
131

<input type="button" value="全部选中" onclick="QuanXuan_Click()" />
132

<input type="button" value="取消选中" onclick="QuXiao_Click()" />
133

<asp:Button ID="Button2" runat="server" Text="checkbox得到选择的行" OnClick="Button2_Click"></asp:Button>
134

<asp:Button id="Button1" runat="server" Text="radio得到选择的行" OnClick="Button1_Click"></asp:Button>
135

</td>
136

</tr>
137

</table>
138

</div>
139

</form>
140

</body>
141

</html>

//ExempGridView.aspx.cs的代码：
2

using System;
3

using System.Data;
4

using System.Configuration;
5

using System.Collections;
6

using System.Web;
7

using System.Web.Security;
8

using System.Web.UI;
9

using System.Web.UI.WebControls;
10

using System.Web.UI.WebControls.WebParts;
11

using System.Web.UI.HtmlControls;
12

using System.Data.SqlClient;
13

public partial class ExempGridView: System.Web.UI.Page
15{
16    protected void Page_Load(object sender, EventArgs e)
17    {
18        GridViewBind();
19    }
20
21    private void GridViewBind()
22    {
23        string connStr = ConfigurationManager.ConnectionStrings["ConnString"].ConnectionString;
24        string SqlStr = "SELECT * FROM test01";
25        DataSet ds = new DataSet();
26
27        try
28        {
29            SqlConnection conn = new SqlConnection(connStr);
30            if (conn.State.ToString() == "Closed") conn.Open();
31            SqlDataAdapter da = new SqlDataAdapter(SqlStr, conn);
32            da.Fill(ds, "test01");
33            if (conn.State.ToString() == "Open") conn.Close();
34
35            GridView1.DataSource = ds.Tables[0].DefaultView;
36            GridView1.DataBind();
37
38            LblCurrentIndex.Text = "第 " + (GridView1.PageIndex + 1).ToString() + " 页";
39            LblPageCount.Text = "共 " + GridView1 .PageCount.ToString()+ " 页";
40            LblRecordCount.Text = "总共 "+ds.Tables[0].Rows.Count.ToString()+" 条";
41            if (ds.Tables[0].Rows.Count == 0)
42            {
43                btnFirst.Visible = false;
44                btnPrev.Visible = false;
45                btnNext.Visible = false;
46                btnLast.Visible = false;
47
48                LblCurrentIndex.Visible = false;
49                LblPageCount.Visible = false;
50                LblRecordCount.Visible = false;
51
52                LblNoRecord.Visible = true;
53           }
54            else if (GridView1.PageCount == 1)
55
61        }
62        catch(Exception ex)
63
67    }
68    protected void PagerButtonClick(object sender, EventArgs e)
69    {
70        string arg = ((LinkButton)sender).CommandArgument.ToString();
71        switch (arg)
72        {
73            case "prev":
74                if (GridView1.PageIndex > 0)
75                {
76                    GridView1.PageIndex -= 1;
77                }
78                break;
79            case "next":
80              if (GridView1.PageIndex < (GridView1.PageCount - 1))
81                {
82                    GridView1.PageIndex += 1;
83                }
84                break;
85            case "last":
86                GridView1.PageIndex = (GridView1.PageCount - 1);
87                break;
88            default:
89               GridView1.PageIndex = 0;
90                break;
91       }
92
93        GridViewBind();
94    }
95
96    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
97    {
98        e.Row.Attributes["onmouseover"] = "ItemOver(this)";
99        e.Row.Attributes["onmouseout"] = "ItemOut(this)";
100    }
101
102    protected void Button2_Click(object sender, EventArgs e)
103    {
104        string str="";
105        string []ckb=null;
106
107        str=Request.Form.Get("checkboxname");
108        ckb=str.Split(new char[]{','});
109
110        Response.Write("直接在页面中得到的值为："+str+"<br>");
111
112        Response.Write("处理后存放在数组中，如下：<br>");
113        for(int i=0;i<ckb.Length;i++)
114        {
115            Response.Write("ckb["+i+"]的值为："+ckb[i]+"<br>");
116        }
117    }
118    protected void Button1_Click(object sender, EventArgs e)
119    {
120        Response.Write(Request.Form.Get("RadioName"));
121    }
122}
123

--数据库中表的生成代码：
2

CREATE TABLE [dbo].[test01]
3

(
4

[id] [decimal](18, 0) IDENTITY (1, 1) NOT NULL ,
5

[name] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
6

[card] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
7

[createdate] [datetime] NULL
8

) ON [PRIMARY]
9

GO
10

ALTER TABLE [dbo].[test01] ADD
12

CONSTRAINT [DF_test01_createdate] DEFAULT (getdate()) FOR [createdate],
13

CONSTRAINT [PK_test01] PRIMARY KEY CLUSTERED
14

(
15

[id]
16

) ON [PRIMARY]
17

GO
18

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