如何通过编程方式使用ObjectDataSource和代码隐藏更新ASP.NET GridView行
我在CodeBehind上使用ObjectDataSource实现可编辑GridView时遇到问题;我想知道我需要在代码隐藏(事件)中添加哪些缺失的部分: ASPX代码:如何通过编程方式使用ObjectDataSource和代码隐藏更新ASP.NET GridView行,gridview,objectdatasource,Gridview,Objectdatasource,我在CodeBehind上使用ObjectDataSource实现可编辑GridView时遇到问题;我想知道我需要在代码隐藏(事件)中添加哪些缺失的部分: ASPX代码: <asp:GridView ID="grdPlayer" runat="server" AutoGenerateColumns="False" AutoGenerateEditButton="true" AutoGenerateDeleteButton="true" o
<asp:GridView ID="grdPlayer" runat="server" AutoGenerateColumns="False"
AutoGenerateEditButton="true" AutoGenerateDeleteButton="true"
onrowediting="grdPlayer_RowEditing"
onrowcancelingedit="grdPlayer_RowCancelingEdit"
onrowupdating="grdPlayer_RowUpdating">
<Columns>
<asp:BoundField DataField="ID" Visible="false"/>
<asp:BoundField DataField="FirstName" HeaderText="First Name"
SortExpression="FirstName" />
<asp:BoundField DataField="LastName" HeaderText="LastName"
SortExpression="LastName" />
<asp:BoundField DataField="Age" HeaderText="Age"
SortExpression="Age" />
</Columns>
</asp:GridView>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
public partial class _Default : System.Web.UI.Page
{
ObjectDataSource dataSource = new ObjectDataSource();
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
dataSource.TypeName = "Cricket.CricketBL";
dataSource.UpdateMethod = "UpdatePlayer";
Parameter p1 = new Parameter("ID", DbType.Int32);
Parameter p2 = new Parameter("FName", DbType.String);
Parameter p3 = new Parameter("LName", DbType.String);
Parameter p4 = new Parameter("Age", DbType.Int32);
dataSource.UpdateParameters.Add(p1);
dataSource.UpdateParameters.Add(p2);
dataSource.UpdateParameters.Add(p3);
dataSource.UpdateParameters.Add(p4);
bindGridView();
}
}
#region Grid Events
protected void grdPlayer_RowEditing(object sender, GridViewEditEventArgs e)
{
grdPlayer.EditIndex = e.NewEditIndex;
}
protected void grdPlayer_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
grdPlayer.EditIndex = -1;
bindGridView();
}
protected void grdPlayer_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
grdPlayer.EditIndex = -1;
bindGridView();
}
#endregion
void bindGridView()
{
dataSource.SelectMethod = "GetAllPlayer";
dataSource.TypeName = "Cricket.CricketBL";
grdPlayer.DataSource = dataSource;
grdPlayer.DataBind();
}
}
<asp:TemplateField HeaderText="FirstName">
<EditItemTemplate>
<asp:TextBox ID="FName" runat="server" Text='<%# Bind("FirstName")%>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("FirstName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="LastName">
<EditItemTemplate>
<asp:TextBox ID="LName" runat="server" Text='<%# Bind("LastName") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("LastName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Age">
<EditItemTemplate>
<asp:TextBox ID="Age" runat="server" Text='<%# Bind("Age") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("Age") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
我希望这有帮助 您的代码中没有使用objectDataSource!
int index = grdPlayer.EditIndex;
GridViewRow row = grdPlayer.Rows[index];
Int64 ID = (Int64)grdPlayer.DataKeys[index].Value;
TextBox FirstName = (TextBox)row.FindControl("FName");
TextBox Lastname = (TextBox)row.FindControl("LName");
TextBox Age = (TextBox)row.FindControl("Age");
e.NewValues["FirstName"] = FirstName.Text;
e.NewValues["LastName"] = Lastname.Text;
e.NewValues["Age"] = Age.Text;