how to do different process using gridview with diff pages?

Default.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Gridview_update_other_page._Default" %>





   


   

   

                    HeaderStyle-BackColor="#7779AF" HeaderStyle-ForeColor="White"
            DataKeyNames="Empid" ForeColor="#663300" Font-Bold="True">
   
   
   
    <%#Eval("Empname")%> 
   
   
   
   
   
   
   
   
          


           
          

   
   

   

Default.aspx.cs

using System;
using System.Collections;
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;
namespace Gridview_update_other_page
{
    public partial class _Default : System.Web.UI.Page
    {
        string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
        SqlCommand com;
        SqlDataAdapter sqlda;
        DataSet ds;
        string str;
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                BindGrid();
            }
        }

        protected void BindGrid()
        {
            SqlConnection con = new SqlConnection(connStr);
            con.Open();
            str = "select * from employee";
            com = new SqlCommand(str, con);
            sqlda = new SqlDataAdapter(com);
            //com.ExecuteNonQuery();
            con.Close();
            ds = new DataSet();
            sqlda.Fill(ds, "employee");
            GridView1.DataSource = ds;
            GridView1.DataMember = "employee";
            GridView1.DataBind();
        }
    }
}



Insert.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Insert.aspx.cs" Inherits="Gridview_update_other_page.Insert" %>





   


   

   

   

Insert Employee Details

            Width="100px">
   

   
             Width="100px">
   

   
             Width="100px">
   

   
             Width="100px">
   

   
             Width="100px">
   

            Font-Bold="True" onclick="btn_insert_Click" />
   

   
   

Insert.aspx.cs

using System;
using System.Collections;
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;
namespace Gridview_update_other_page
{
    public partial class Insert : System.Web.UI.Page
    {
        string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
        SqlCommand com;
        string str;
       
        protected void btn_insert_Click(object sender, EventArgs e)
        {
            SqlConnection con = new SqlConnection(connStr);
            con.Open();
            str = "insert into employee(Empname,EmpFname,EmpLname,Empcity,Empstate) values('" + txtFullName.Text + "','" + txtFName.Text + "','" + txtLName.Text + "','" + txtcity.Text + "','" + txtstate.Text + "')";
            com = new SqlCommand(str, con);
            com.ExecuteNonQuery();
            con.Close();
            Response.Redirect("Default.aspx");
        }

        protected void Page_Load(object sender, EventArgs e)
        {

        }
    }
}


Update.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Update.aspx.cs" Inherits="Gridview_update_other_page.Update" %>





   
   


   

   

   

Edit Employee Details
EmpName:
FName:
LName:
City:
State:

   

   

Update.aspx.cs

using System;
using System.Collections;
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;
namespace Gridview_update_other_page
{
    public partial class Update : System.Web.UI.Page
    {
        string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
        SqlCommand com;
        SqlDataAdapter sqlda;
        DataSet ds;
        string str;
        int empid = 0;
        protected void Page_Load(object sender, EventArgs e)
        {
            empid = Convert.ToInt32(Request.QueryString["Empid"].ToString());
            if (!IsPostBack)
            {
                Bind();
            }
        }
        private void Bind()
        {
            SqlConnection con = new SqlConnection(connStr);
            con.Open();
            str = "select * from employee where Empid=" + empid;
            com = new SqlCommand(str, con);
            sqlda = new SqlDataAdapter(com);
            com.ExecuteNonQuery();
            con.Close();
            ds = new DataSet();
            sqlda.Fill(ds);

            lblFullName.Text = ds.Tables[0].Rows[0][1].ToString();
            txtFName.Text    = ds.Tables[0].Rows[0][2].ToString();
            txtLName.Text = ds.Tables[0].Rows[0][3].ToString();
            txtcity.Text     = ds.Tables[0].Rows[0][4].ToString();
            txtstate.Text    = ds.Tables[0].Rows[0][5].ToString();
        }

        protected void btnUpdate_Click(object sender, EventArgs e)
        {
            SqlConnection con = new SqlConnection(connStr);
            con.Open();
            str = "update employee set EmpFname='" + txtFName.Text + "',EmpLname='" + txtLName.Text + "',Empcity='" + txtcity.Text + "',Empstate='" + txtstate.Text + "' where Empid=" + empid;
            com = new SqlCommand(str, con);
            sqlda = new SqlDataAdapter(com);
            int result = com.ExecuteNonQuery();
            con.Close();
            if (result == 1)
            {
                ScriptManager.RegisterStartupScript(this, this.GetType(), "ShowSuccess", "javascript:Display('" + lblFullName.Text + "')", true);
            }
        }

        protected void btnCancel_Click(object sender, EventArgs e)
        {
            Response.Redirect("~/Default.aspx");
        }
    }
}