【ASP.NET】 GriedView 增删改查+ 自带分页

题外话:
  自己平时的话 会经常在项目中用到GriedView 每次建立的时候就要拖控件,手工添加列比较复杂,在这做次笔记,方便以后快速使用

前台--->

View Code
<asp:GridView ID="gridProgram" runat="server" AutoGenerateColumns="false" 
                AllowPaging="true" PageSize="10" 
                OnPageIndexChanging="gridProgram_PageIndexChanging" 
                onrowcommand="gridProgram_RowCommand">
        <Columns>
            <asp:TemplateField HeaderText="序号" HeaderStyle-Wrap="false" ItemStyle-HorizontalAlign="Center">
                <ItemTemplate>
                    <%#Container.DataItemIndex+1 %>
                     <%--<%# (this.AspNetPager1.CurrentPageIndex - 1) * this.AspNetPager1.PageSize + Container.DataItemIndex + 1%> --%>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="项目名称" HeaderStyle-Wrap="false" ItemStyle-HorizontalAlign="Center">
                <ItemTemplate>
                    <%#Eval("ProgramName")%>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="部门" ItemStyle-HorizontalAlign="Center">
                <ItemTemplate>
                   <%#Eval("ProgramSector")%>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="创建日期" ItemStyle-HorizontalAlign="Center">
                <ItemTemplate>
                    <%#((DateTime)Eval("ProgramDate")).ToString("yyyy-MM-dd")%>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="负责人" ItemStyle-HorizontalAlign="Center">
                <ItemTemplate>
                    <%#Eval("Charger")%>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="项目阶段" ItemStyle-HorizontalAlign="Center">
                <ItemTemplate>
                <%#DecideStep(Eval("Step").ToString()) %><%--DecideStep是后台写的方法用于外键的汉字显示 --%>
                </ItemTemplate>
            </asp:TemplateField>
            <%--<asp:TemplateField HeaderText="备注">
                <ItemTemplate>
                    <%#((DateTime)Eval("CreateTime")).ToString("yyyy-MM-dd HH:mm:ss")%>
                </ItemTemplate>
            </asp:TemplateField>--%>
            <asp:TemplateField HeaderText="操作" HeaderStyle-Wrap="false" ItemStyle-Wrap="false" ItemStyle-HorizontalAlign="Center">
                <ItemTemplate>
                    <asp:HiddenField ID="hidProgramId" Value="Eval('ProgramID')" runat="server" />
                    <asp:Button ID="btnRead" runat="server" CommandArgument='<%#Eval("ProgramID") %>' Text="读 取" CommandName="Read" />
                    <asp:Button ID="btnDelete" runat="server" Text="删 除" CommandArgument='<%#Eval("ProgramID") %>' CommandName="Del" />
                    <%--<asp:HyperLink ID="linkPreview" runat="server" Text="读取" NavigateUrl='<%#DealURL(Convet.Eval("ProgramID")%>'></asp:HyperLink>--%>
                    <%--<asp:HyperLink ID="linkDelete" runat="server" Text="删除" NavigateUrl='<%#"DeleteNews.aspx?newsId="+Eval("ProgramID")%>'></asp:HyperLink>--%>
                </ItemTemplate>
            </asp:TemplateField>
        </Columns>
   <%--下面的分页基本不用修改 --%>
        <PagerTemplate>
                当前第:
                <asp:Label ID="LabelCurrentPage" runat="server" Text="<%# ((GridView)Container.NamingContainer).PageIndex + 1 %>"></asp:Label>/共:
                
                <asp:Label ID="LabelPageCount" runat="server" Text="<%# ((GridView)Container.NamingContainer).PageCount %>"></asp:Label><asp:LinkButton ID="LinkButtonFirstPage" runat="server" CommandArgument="First" CommandName="Page"
                    Visible='<%#((GridView)Container.NamingContainer).PageIndex != 0 %>'>首页</asp:LinkButton>
                <asp:LinkButton ID="LinkButtonPreviousPage" runat="server" CommandArgument="Prev"
                    CommandName="Page" Visible='<%# ((GridView)Container.NamingContainer).PageIndex != 0 %>'>上一页</asp:LinkButton>
               
                <asp:LinkButton ID="LinkButtonNextPage" runat="server" CommandArgument="Next" CommandName="Page"
                    Visible='<%# ((GridView)Container.NamingContainer).PageIndex != ((GridView)Container.NamingContainer).PageCount - 1 %>'>下一页</asp:LinkButton>
                <asp:LinkButton ID="LinkButtonLastPage" runat="server" CommandArgument="Last" CommandName="Page"
                    Visible='<%# ((GridView)Container.NamingContainer).PageIndex != ((GridView)Container.NamingContainer).PageCount - 1 %>'>尾页</asp:LinkButton>
                转到第
                <asp:TextBox ID="txtNewPageIndex" runat="server" Width="20px" Text='<%# ((GridView)Container.Parent.Parent).PageIndex + 1 %>' /><asp:LinkButton ID="btnGo" runat="server" CausesValidation="False" CommandArgument="-2"
                    CommandName="Page" Text="GO" />
            </PagerTemplate>
    </asp:GridView>

后台cs文件[部分核心代码]-->

View Code
//删除和跳转等(操作)
protected void gridProgram_RowCommand(object sender, GridViewCommandEventArgs e)
    {
    //注:e.CommandArgument.ToString() 为每一行的索引号即ID
        switch (e.CommandName)
        {
            case "Read":
                 //编写代码
                break;
            case "Del":

                //删除代码
                ClientScriptFunction.MessageBox("删除项目成功!");
        //重新绑定数据                
        BindGrvData();
                break;
        }
   }

//后台对gridview分页进行设置 (机会不用改 只修改绑定数据)
protected void gridProgram_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView theGrid = sender as GridView;
        int newPageIndex = 0;
        if (e.NewPageIndex == -3)
        {
            //点击了Go按钮
            TextBox txtNewPageIndex = null;

            //GridView较DataGrid提供了更多的API,获取分页块可以使用BottomPagerRow 或者TopPagerRow,当然还增加了HeaderRow和FooterRow
            GridViewRow pagerRow = theGrid.BottomPagerRow;

            if (pagerRow != null)
            {
                //得到text控件
                txtNewPageIndex = pagerRow.FindControl("txtNewPageIndex") as TextBox;
            }
            if (txtNewPageIndex != null)
            {
                //得到索引
                newPageIndex = int.Parse(txtNewPageIndex.Text) - 1;
            }
        }
        else
        {
            //点击了其他的按钮
            newPageIndex = e.NewPageIndex;
        }
        //防止新索引溢出
        newPageIndex = newPageIndex < 0 ? 0 : newPageIndex;
        newPageIndex = newPageIndex >= theGrid.PageCount ? theGrid.PageCount - 1 : newPageIndex;

        //得到新的值
        theGrid.PageIndex = newPageIndex;

        //重新绑定
        BindGrvData();
    }

Ps:我在前台定义的是每页10个,这个可以自行修改

至于添加的话 很简单就不贴出来了、

Ending...
   希望对大家有所帮助。

                                    Write By--Ruicky

   

 

 

 

posted @ 2012-10-19 15:11  Ruicky  阅读(782)  评论(0编辑  收藏  举报