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How To Update a Grid View Value Using Procedure in ASP .NET
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Step 1: First creating a Stored Procedure using SQL Server. Procedure name as empDetails

CREATE PROCEDURE empDetails @name nchar(10),
    @id nchar(10), @emp_age nchar(10)
AS
BEGIN
UPDATE emp_tbl SET
nme = @name,
age = @emp_age
WHERE emp_id = @Id
END

Step 2: Design the page. Take a Grid View Control to show data and three textboxes and a button.

<%@ 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><asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" 
BorderStyle="Solid" >  
<RowStyle BackColor="White" BorderColor="#333333" BorderStyle="Solid" 
BorderWidth="2px" />
<Columns><asp:BoundField DataField="nme" HeaderText="Name" />
<asp:BoundField DataField="age" HeaderText="Age" />
<asp:BoundField DataField="emp_id" HeaderText="Employe ID" />
</Columns><HeaderStyle BackColor="#CCCCCC" BorderStyle="Inset" BorderWidth="2px" />
</asp:GridView>   </div>
<br /><br /> <table>
<tr><td>Enter ID(From Grid View):</td><td>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox></td></tr>
<tr><td>Enter Name:</td><td>
<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox></td></tr>
<tr><td>Enter Age:</td><td>
<asp:TextBox ID="TextBox3" runat="server"></asp:TextBox></td></tr>
<tr><td>
<asp:Button ID="Button1" runat="server" Text="Update" onclick="Button1_Click" />
]</td></tr>
</table>
</form>
</body>
</html>

 

Step 3: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)
{
newConnection.Open();
SqlCommand cmdd = new SqlCommand("Select * from emp_tbl", newConnection);
SqlDataReader dr = cmdd.ExecuteReader();
if (dr.HasRows)
{
GridView1.DataSource = dr;
GridView1.DataBind();
}
newConnection.Close();
}
public void update_value(string emp_name, string Id, string emp_age)
{
newConnection.Open();
SqlCommand cmd = new SqlCommand("empDetails",newConnection);
cmd.CommandType = CommandType.StoredProcedure; //Procedure
cmd.Parameters.AddWithValue("@name", emp_name);
cmd.Parameters.AddWithValue("@id", Id);
cmd.Parameters.AddWithValue("@emp_age", emp_age);
cmd.ExecuteNonQuery();
newConnection.Close();
}
protected void Button1_Click(object sender, EventArgs e)
{//call the function to updating the grid view
update_value(TextBox2.Text,TextBox1.Text,TextBox3.Text);
}
}

Step 4: Run the Application.

Click the Update Button

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