(Repaste)gridview的修改，删除，更新，取消操作

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时　间:2012-01-18 16:45:34
作　者:何必见戴 ID：13894 城市：厦门
摘　要:(Repaste)gridview的修改，删除，更新，取消操作
正　文:

数据库是采用sql server，语言c#，平台.net

前台：

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

后台：

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

public partial class datamaster : System.Web.UI.Page
{
    SqlConnection sqlcon;
    SqlCommand sqlcom;
    string strcon = "Data Source=.;Initial Catalog=mydata;User ID=sa;Password=123;Pooling=False";//数据库连接字符
    protected void Page_Load(object sender, EventArgs e)
    {

       if (!IsPostBack)
        {
            bind();
        }
    }
    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)//编辑功能
    {
        GridView1.EditIndex = e.NewEditIndex;
        bind();
    }

   public void bind()//绑定数据函数
    {
        string sqlstr = "select * from news";
        sqlcon = new SqlConnection(strcon);
        SqlDataAdapter myda = new SqlDataAdapter(sqlstr,sqlcon);
        DataSet myds = new DataSet();
        sqlcon.Open();
        myda.Fill(myds, "pettale");
        GridView1.DataSource=myds ;
        GridView1.DataKeyNames = new string[] { "xuhao" };
        GridView1.DataBind();
        sqlcon.Close();

    }
    protected void Button1_Click(object sender, EventArgs e)//添加数据
    {
        string sqlstr = "insert into news(xuhao,biaoti,neirong,riqi,zuozhe) values('" + TextBox1.Text + "','" + TextBox2.Text + "','" + TextBox3.Text + "','" + TextBox4.Text + "','" + TextBox5.Text + "')";
        sqlcon = new SqlConnection(strcon);
        sqlcom = new SqlCommand(sqlstr,sqlcon);
        sqlcon.Open();
        sqlcom.ExecuteNonQuery();
        sqlcon.Close();
        bind();

    }
    protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)//取消编辑
    {
        GridView1.EditIndex = -1;
        bind();
    }

    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)//删除数据
    {
        string sqlstr = "delete from news where xuhao='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
        sqlcon = new SqlConnection(strcon);
        sqlcom = new SqlCommand(sqlstr, sqlcon);
        sqlcon.Open();
        sqlcom.ExecuteNonQuery();
        sqlcon.Close();
        bind();
    }
    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)//更新数据
    {
        string sqlstr = "update news set xunhao = '"
            + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim() + "',biaoti = '"
            + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "',neirong = '"
            + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[4].Controls[0])).Text.ToString().Trim() + "',riqi = '"
            + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[5].Controls[0])).Text.ToString().Trim() + "',zuozhe = '"
            + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "' where xuhao='"+ GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
        sqlcon = new SqlConnection(strcon);
        sqlcom = new SqlCommand(sqlstr, sqlcon);
        sqlcon.Open();
        sqlcom.ExecuteNonQuery();
        sqlcon.Close();
        GridView1.EditIndex = -1;
        bind();
    }

}