详解GridView自带的编辑删除更新功能_实用技巧_

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="gridView_bianjidelete.aspx.cs" Inherits="gridView_bianjidelete" %>

 using System; using System.Collections.Generic; using System.Configuration; using System.Data; using System.Data.SqlClient; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; public partial class gridView_bianjidelete : System.Web.UI.Page {//清清月儿http://blog.csdn.net/21aspnet SqlConnection sqlcon; SqlCommand sqlcom; string strCon = ConfigurationManager.ConnectionStrings["SQLCONNECTIONSTRING"].ConnectionString; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { bind(); } } protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e) { GridView1.EditIndex = e.NewEditIndex; bind(); } //删除之后重新绑定 protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e) { string sqlstr = "delete from product where id='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'"; sqlcon = new SqlConnection(strCon); sqlcom = new SqlCommand(sqlstr, sqlcon); sqlcon.Open(); sqlcom.ExecuteNonQuery(); sqlcon.Close(); GridView1.DataBind(); bind(); } //更新 protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e) { sqlcon = new SqlConnection(strCon); string sqlstr = "update product set name='" + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',stock='" + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim() + "' where id='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'"; sqlcom = new SqlCommand(sqlstr, sqlcon); sqlcon.Open(); sqlcom.ExecuteNonQuery(); sqlcon.Close(); GridView1.EditIndex = -1; // GridView1.DataBind(); bind(); } //取消 protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { GridView1.EditIndex = -1; bind(); } //绑定 public void bind() { string sqlstr = "select * from product p,Uuser u where p.userid=u.id"; sqlcon = new SqlConnection(strCon); SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon); DataSet myds = new DataSet(); sqlcon.Open(); myda.Fill(myds, "datatable"); GridView1.DataSource = myds; GridView1.DataKeyNames = new string[] { "id" };//主键 GridView1.DataBind(); sqlcon.Close(); } }