我给你一个GridView的应用示例，你看看，希望对你有帮助：
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using OASys.BLL;
using OASys.Models;
using System.Collections.Generic;
public partial class _Default : System.Web.UI.Page
{
public UserInfoManager info = new UserInfoManager();
///
/// 窗体加载事件
///
///
///
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
LoadInfo();
}
}
///
/// 加载用户信息的方法
///
private void LoadInfo()
{
List
foreach (UserInfo user in info.GetAllUserInfo())
{
if (user.Gender == 1)
{
user.DepartId.sex = "男";
}
else
{
user.DepartId.sex = "女";
}
users.Add(user);
}
gdvUserInfo.DataSource =users;
gdvUserInfo.DataBind();
}
///
/// 分页事件
///
///
///
protected void gdvUserInfo_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
gdvUserInfo.PageIndex = e.NewPageIndex;
LoadInfo();
}
///
/// 删除信息事件
///
///
///
protected void gdvUserInfo_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
string id =gdvUserInfo.DataKeys[e.RowIndex].Value.ToString();
if (info.DeleteUserInfoById(id) > 0)
{
this.lblMessage.Text = "删除成功！";
LoadInfo();
}
else
{
this.lblMessage.Text = "删除失败！";
LoadInfo();
}
}
///
/// 编辑事件
///
///
///
protected void gdvUserInfo_RowEditing(object sender, GridViewEditEventArgs e)
{
gdvUserInfo.EditIndex = e.NewEditIndex;
LoadInfo();
}
///
/// 取消编辑事件
///
///
///
protected void gdvUserInfo_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
gdvUserInfo.EditIndex = -1;
LoadInfo();
}
///
/// 更新事件
///
///
///
protected void gdvUserInfo_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
string userId = gdvUserInfo.DataKeys[e.RowIndex].Value.ToString();
TextBox txtUserId = (TextBox)gdvUserInfo.Rows[e.RowIndex].Cells[0].FindControl("txtUserId");
TextBox txtUserName = (TextBox)gdvUserInfo.Rows[e.RowIndex].Cells[0].FindControl("txtUserName");
TextBox txtPassWord = (TextBox)gdvUserInfo.Rows[e.RowIndex].Cells[0].FindControl("txtPassWord");
if (txtUserName != null && txtPassWord != null)
{
try
{
UserInfo user = info.GetUserInfoById(userId);
user.UserName = txtUserName.Text.ToString();
user.Password = txtPassWord.Text.ToString();
if (info.ModifyUserInfo(user) > 0)
{
this.lblMessage.Text = "修改成功！";
gdvUserInfo.EditIndex = -1;
LoadInfo();
}
else
{
this.lblMessage.Text = "修改失败！";
gdvUserInfo.EditIndex = -1;
LoadInfo();
}
}
catch (Exception)
{
this.lblMessage.Text = "修改失败！";
gdvUserInfo.EditIndex = -1;
LoadInfo();
}
}
}
///
///
/// 光棒事件
///
///
///
protected void gdvUserInfo_RowDataBound(object sender, GridViewRowEventArgs e)
{
for (int i = 0; i < gdvUserInfo.Rows.Count; i++)
{
if (gdvUserInfo.Rows[i].RowType == DataControlRowType.DataRow)
{
gdvUserInfo.Rows[i].Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#9cf'");
gdvUserInfo.Rows[i].Attributes.Add("onmouseout", "this.style.backgroundColor=c");
}
}
}
}
需要重新绑定数据源(整个t表), 你的dt是数据源吗? uyg堡g堡cl悌pコ┱wコ纽
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