在选项卡上单击插入值

在选项卡上单击插入值

本文介绍了在选项卡上单击插入值的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

代码:


Code :


using System;
using System.Collections.Generic;
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 Default2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindGrid();
        }
    }

    private void BindGrid()
    {
        using (
            SqlConnection con =
                new SqlConnection(@"Data Source=MAJ-056\SQLEXPRESS;Initial Catalog=Test;Integrated Security=True"))
        {
            SqlDataAdapter da = new SqlDataAdapter("select * from tbl", con);
            DataTable dt = new DataTable();
            da.Fill(dt);
            GridView1.DataSource = dt;
            GridView1.DataBind();
        }

    }

    protected void TextBox1_TextChanged(object sender, EventArgs e)
    {
        using (
            SqlConnection con =
                new SqlConnection(@"Data Source=MAJ-056\SQLEXPRESS;Initial Catalog=Test;Integrated Security=True"))
        {
            con.Open();
            SqlCommand cmd = new SqlCommand("insert into tbl values('" + TextBox1.Text + "')", con);
            cmd.ExecuteNonQuery();
        }
        BindGrid();
    }

    protected void GridView1_SelectedIndexChanging(object sender, GridViewSelectEventArgs e)
    {
        using (
            SqlConnection con =
                new SqlConnection(@"Data Source=MAJ-056\SQLEXPRESS;Initial Catalog=Test;Integrated Security=True"))
        {
            int id = Convert.ToInt32(GridView1.DataKeys[e.NewSelectedIndex].Values[0]);
            con.Open();
            SqlCommand cmd = new SqlCommand("select * from tbl where Id=" + id + "", con);
            SqlDataReader dr = cmd.ExecuteReader();
            if (dr.Read())
            {
                TextBox1.Text = Convert.ToString(dr["Name"]);
            }
        }
    }
}






设计:







Design :


<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>

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

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

        <asp:TextBox ID="TextBox1" runat="server" AutoPostBack="True"

            ontextchanged="TextBox1_TextChanged"></asp:TextBox>
        <br />
        <asp:GridView ID="GridView1" runat="server"

            onselectedindexchanging="GridView1_SelectedIndexChanging"

            AutoGenerateSelectButton="True" DataKeyNames="Id">
        </asp:GridView>

    </div>
    </form>
</body>
</html>

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09-16 12:41