How to Get all Information SQL Server in ASP .NET
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Step 1: Drag a text Box and a Button control on your page. Default.aspx
<%@ Page Language="C#" AutoEventWireup="true" Codevirtual="Default.aspx.cs" Inherits="_Default" %> <%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" tagprefix="cc1" %> <!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>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> <table><tr> <td>Enter the ID:</td><td> <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox></td><td> <asp:Label ID="Label1" runat="server"></asp:Label> </td></tr> <tr><td> <asp:Button ID="Button1" runat="server" Text="Submit" onclick="Button1_Click" /></td></tr> </table> </div> </form> </body> </html>
Step 2: Default.aspx.cs Code.
using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
SqlConnection newConnection = new SqlConnection(@"Data
Source=R4R-3EFD13BB468\SQLEXPRESS;
initial catalog=newDatabase;integrated security=true;");
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
newConnection.Open();
SqlCommand cmd = new SqlCommand
("select age,nme from emp_tbl where emp_id=@id",
newConnection);
cmd.Parameters.AddWithValue("@id", TextBox1.Text);
SqlDataReader dr = cmd.ExecuteReader();
if (dr.Read())
{
Label1.Text = "Employee Name: " + dr["nme"].ToString() +
" and Your age is " + dr["age"].ToString();
}
else
{
Label1.Text = "Enter Correct Emp ID";
}
}
}
Step 3: Run the Application.
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