SqlDataSource.ButtonField1.表示一个字段，该字段显示为数据绑定控件中的按钮。2.数据绑定控件（如 GridView 和 DetailsView）使用 ButtonField 类为每个显示的记录显示一个按钮。根据在其中使用 ButtonField 对象的数据绑定控件，该对象会以不同的方式显示。例如，GridView控件将 ButtonField 对象显示为一列，而 DetailsView 控件则将该对象显示为一行。GridView控件将 ButtonField 对象显示为一列,----〉竖着的一列<%@Pagelanguage="C#"%><scriptrunat="server">void CustomersGridView_RowCommand(Object sender, GridViewCommandEventArgs e) {// If multiple ButtonField column fields are used, use the// CommandName property to determine which button was clicked.if(e.CommandName=="Select") {// Convert the row index stored in the CommandArgument// property to an Integer.int index = Convert.ToInt32(e.CommandArgument); // Get the last name of the selected author from the appropriate// cell in the GridView control.GridViewRow selectedRow = CustomersGridView.Rows[index];TableCell contactName = selectedRow.Cells[1];string contact = contactName.Text; // Display the selected author. Message.Text = "You selected " + contact + "."; } }</script><html><body><formid="Form1"runat="server"><h3>ButtonField Example</h3><asp:labelid="Message"forecolor="Red"runat="server"/><!-- Populate the Columns collection declaratively. --><asp:gridviewid="CustomersGridView"datasourceid="CustomersSqlDataSource"autogeneratecolumns="false"onrowcommand="CustomersGridView_RowCommand"runat="server"><columns><%--commandname-->GridViewCommandEventArgs--%><asp:buttonfieldbuttontype="Button"commandname="Select"headertext="Select Customer"text="Select"/><asp:boundfielddatafield="CompanyName"headertext="Company Name"/><asp:boundfielddatafield="ContactName"headertext="Contact Name"/></columns></asp:gridview><!-- This example uses Microsoft SQL Server and connects --><!-- to the Northwind sample database. --><asp:sqldatasourceid="CustomersSqlDataSource"selectcommand="Select [CustomerID], [CompanyName], [ContactName], [ContactTitle] From [Customers]"connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>"runat="server"></asp:sqldatasource></form></body></html>Important：1、 onrowcommand="CustomersGridView_RowCommand"2、<asp:buttonfield 按下Button按钮时会引发GridView的RowCommand事件，就是触发CustomersGridView_RowCommand 3、GridViewRow selectedRow = CustomersGridView.Rows[index];4、int index = Convert.ToInt32(e.CommandArgument)5、TableCell contactName = selectedRow.Cells[1];//[1]第一列[2]第二列;6、 if(e.CommandName=="Select") <asp:buttonfield buttontype="Button"//commandname="Select"
