如何实现双击GridView 单元格编辑单元格内容
一、双击gridview行，执行服务器端按钮imgselect的事件
row.Attributes("ondblclick") = ClientScript.GetPostBackEventReference(ImgSelect, "click", True)
二、双击GridView 单元格编辑单元格内容
<%@ Page Language="C#" %> <%@ Import Namespace="System.Data" %> <%--http://community.csdn.net/Expert/TopicView3.asp?id=5767096--%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <mce:script runat="server"><!-- protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { LoadGridViewProductData(); LoadDataGridProductData(); } } protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e) { /* 当然可以在这里进行客户端脚本绑定， 但是，我选择在重载页的 Render 方法中处理，因为 1. RowDataBound 仅仅在调用 DataBind 之后才会触发，回发通过 ViewState 创建空件不触发 假如需要更多的处理，你需要分开部分逻辑到 RowCreated 等事件中 2. 并且我们希望使用 ClientScript.GetPostBackEventReference 和 ClientScript.RegisterForEventValidation 方法 进行安全脚本的注册，而后者需要在页的 Render 阶段中才能处理 */ } protected void DataGrid1_ItemDataBound(object sender, DataGridItemEventArgs e) { // 隐藏辅助按钮列 int cellIndex = 0; e.Item.Cells[cellIndex].Attributes["style"] = "display:none"; } void LoadGridViewProductData() { DataTable dt = CreateSampleProductData(); GridView1.DataSource = dt; GridView1.DataBind(); } void LoadDataGridProductData() { DataTable dt = CreateSampleProductData(); DataGrid1.DataSource = dt; DataGrid1.DataBind(); } #region sample data static DataTable CreateSampleProductData() { DataTable tbl = new DataTable("Products"); tbl.Columns.Add("ProductID", typeof(int)); tbl.Columns.Add("ProductName", typeof(string)); tbl.Columns.Add("UnitPrice", typeof(decimal)); tbl.Columns.Add("CategoryID", typeof(int)); tbl.Rows.Add(1, "Chai", 18, 1); tbl.Rows.Add(2, "Chang", 19, 1); tbl.Rows.Add(3, "Aniseed Syrup", 10, 2); tbl.Rows.Add(4, "Chef Anton's Cajun Seasoning", 22, 2); tbl.Rows.Add(5, "Chef Anton's Gumbo Mix", 21.35, 2); tbl.Rows.Add(47, "Zaanse koeken", 9.5, 3); tbl.Rows.Add(48, "Chocolade", 12.75, 3); tbl.Rows.Add(49, "Maxilaku", 20, 3); return tbl; } #endregion protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e) { GridView1.EditIndex = e.NewEditIndex; LoadGridViewProductData(); } protected void DataGrid1_EditCommand(object source, DataGridCommandEventArgs e) { DataGrid1.EditItemIndex = e.Item.ItemIndex; LoadDataGridProductData(); } protected override void Render(HtmlTextWriter writer) { // GridView foreach (GridViewRow row in GridView1.Rows) { if (row.RowState == DataControlRowState.Edit) { // 编辑状态 row.Attributes.Remove("onclick"); row.Attributes.Remove("ondblclick"); row.Attributes.Remove("style"); row.Attributes["title"] = "编辑行"; continue; } if (row.RowType == DataControlRowType.DataRow) { //单击事件，为了响应双击事件，延迟 1 s，根据需要可能需要增加延迟 row.Attributes["onclick"] = String.Format("javascript:setTimeout(/"window.open('DummyProductDetail.aspx?productid={0}')/", 1000*1);event.cancelBubble=true;", GridView1.DataKeys[row.RowIndex].Value.ToString()); // 获取ASP.NET内置回发脚本函数，返回 __doPostBack(<<EventTarget>>, <<EventArgument>>) // 可直接硬编码写入脚本，不推荐 row.Attributes["ondblclick"] = ClientScript.GetPostBackEventReference(GridView1, "Edit$" + row.RowIndex.ToString(), true); // row.Attributes["style"] = "cursor:pointer"; row.Attributes["title"] = "单击打开详细页面、双击进入编辑"; } } // DataGrid foreach (DataGridItem item in DataGrid1.Items) { if (item.ItemType == ListItemType.EditItem) { item.Attributes.Remove("onclick"); item.Attributes.Remove("ondblclick"); item.Attributes.Remove("style"); item.Attributes["title"] = "编辑行"; continue; } if (item.ItemType == ListItemType.Item || item.ItemType == ListItemType.AlternatingItem) { //单击事件，为了响应双击事件，延迟 1 s，根据需要可能需要增加延迟 item.Attributes["onclick"] = String.Format("javascript:setTimeout(/"window.open('DummyProductDetail.aspx?productid={0}')/", 1000*1);event.cancelBubble=true;", DataGrid1.DataKeys[item.ItemIndex].ToString()); // 双击 // 获取辅助的支持回发按钮 // 相对而言， GridView 支持直接将 CommandName 作为 <<EventArgument>> 故不需要辅助按钮 Button btnHiddenPostButton = item.FindControl("btnHiddenPostButton") as Button; // 获取ASP.NET内置回发脚本函数，返回 __doPostBack(<<EventTarget>>, <<EventArgument>>) // 可直接硬编码写入脚本，不推荐 item.Attributes["ondblclick"] = ClientScript.GetPostBackEventReference(btnHiddenPostButton, ""); // item.Attributes["style"] = "cursor:pointer"; item.Attributes["title"] = "单击打开详细页面、双击进入编辑"; } } base.Render(writer); } // --></mce:script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server"> <title>ASP.NET DEMO15: GridView 行单击与双击事件</title> </head> <body> <form id="form1" runat="server"> <div> <h3>功能：</h3> <li>单击弹出当前详细页面</li> <li>双击进入编辑状态（GridView/DataGrid内置 Edit）</li> <h3>说明：</h3> <li>单击事件（onclick）使用了 setTimeout 延迟，根据实际需要修改延迟时间</li> <li>常见处理行方式会选择在 RowDataBound/ItemDataBound 中处理，这里我选择 Page.Render 中处理，至少基于以下考虑 <li style="padding-left:20px; list-style-type:square" mce_style="padding-left:20px; list-style-type:square">RowDataBound 仅仅在调用 DataBind 之后才会触发，回发通过 ViewState 创建空件不触发 假如需要更多的处理，你需要分开部分逻辑到 RowCreated 等事件中</li> <li style="padding-left:20px; list-style-type:square" mce_style="padding-left:20px; list-style-type:square">并且我们希望使用 ClientScript.GetPostBackEventReference 和 ClientScript.RegisterForEventValidation 方法 进行安全脚本的注册，而后者需要在页的 Render 阶段中才能处理</li> </li> <li>关于“DataGrid中采取的辅助按钮支持回发”见<a href="http://www.itwis.com/html/net/aspnet/20080828/2281.html" mce_href="http://www.itwis.com/html/net/aspnet/20080828/2281.html">为 GridView 每行添加服务器事件</a> <br /> <input type="button" id="Button1" value="Rebind" onclick="location.href=location.href;" /> <div style="float:left" mce_style="float:left"> <h3>GridView Version</h3> <asp:GridView ID="GridView1" DataKeyNames="ProductID" runat="server" AutoGenerateColumns="False" OnRowEditing="GridView1_RowEditing" OnRowDataBound="GridView1_RowDataBound"> <Columns> <asp:TemplateField HeaderText="ProductName" > <ItemTemplate> <%# Eval("ProductName") %> </ItemTemplate> <EditItemTemplate> <asp:TextBox ID="txtProductName" runat="server" Text='<%# Bind("ProductName") %>' /> </EditItemTemplate> </asp:TemplateField> <asp:BoundField DataField="UnitPrice" HeaderText="UnitPrice" /> </Columns> </asp:GridView></div> <div style="float:left;padding-left:100px;" mce_style="float:left;padding-left:100px;"> <h3>DataGrid Version</h3> <asp:DataGrid ID="DataGrid1" DataKeyField="ProductID" runat="server" AutoGenerateColumns="False" OnEditCommand="DataGrid1_EditCommand" OnItemDataBound="DataGrid1_ItemDataBound"> <Columns> <asp:TemplateColumn> <ItemTemplate> <asp:Button ID="btnHiddenPostButton" CommandName="Edit" runat="server" Text="HiddenPostButton" style="display:none" mce_style="display:none" /> </ItemTemplate> </asp:TemplateColumn> <asp:BoundColumn DataField="ProductName" HeaderText="ProductName" /> <asp:BoundColumn DataField="UnitPrice" HeaderText="UnitPrice" /> </Columns> </asp:DataGrid></div> </li> </div> </form> </body> </html>