Wednesday, 2 October 2013

Bind,Save,Edit,Update,Cancel,Delete,Paging example in GridView in ASP.NET using C#

HI friends, in this article I will explain about Bind,Save,Edit,Update,Cancel,Delete,Paging example in GridView in ASP.NET using C# or VB.NET.
C# Code:
using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Data;

using System.Data.SqlClient;

using System.Configuration;

using System.Drawing;


public partial class EditGrid : System.Web.UI.Page

{

    SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["con"].ConnectionString);

    protected void Page_Load(object sender, EventArgs e)

    {

        if (!IsPostBack)

        {

            bindData();

        }

    }

    protected void bindData()

    {

    

        SqlCommand cmd = new SqlCommand("select * from user_data", con);

        SqlDataAdapter da = new SqlDataAdapter(cmd);

        DataSet ds = new DataSet();

        da.Fill(ds);

        if (ds.Tables[0].Rows.Count > 0)

        {

            grd.DataSource = ds;

            grd.DataBind();

        }

        else

        {

            ds.Tables[0].Rows.Add(ds.Tables[0].NewRow());

            grd.DataSource = ds;

            grd.DataBind();

            int columncount = grd.Rows[0].Cells.Count;

            grd.Rows[0].Cells.Clear();

            grd.Rows[0].Cells.Add(new TableCell());

            grd.Rows[0].Cells[0].ColumnSpan = columncount;

            grd.Rows[0].Cells[0].Text = "No Records Found";  

        }

    }

    protected void grd_PageIndexChanging(object sender,GridViewPageEventArgs e)

    {

        grd.PageIndex = e.NewPageIndex;

        bindData();

    }

    protected void grd_RowEditing(object sender, GridViewEditEventArgs e)

    {

        grd.EditIndex = e.NewEditIndex;

        bindData();

    }

    protected void grd_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)

    {

        grd.EditIndex = -1;

        bindData();

    }

    protected void grd_RowUpdating(object sender, GridViewUpdateEventArgs e)

    {

        grd.EditIndex = -1;

        int id = Convert.ToInt32(((TextBox)(grd.Rows[e.RowIndex].FindControl("txtUid"))).Text);

        string username = ((TextBox)(grd.Rows[e.RowIndex].FindControl("txtUname"))).Text;

        string lastname = ((TextBox)(grd.Rows[e.RowIndex].FindControl("txtLname"))).Text;

        SqlCommand cmd= new SqlCommand("update user_data set  username= '" + username + "' ,lastname='" + lastname + "' where userid= ' " + id + " ' ", con);

        con.Open();

        cmd.ExecuteNonQuery();

        con.Close();

        bindData();

    }

    protected void grd_RowDeleting(object sender, GridViewDeleteEventArgs e)

    {      

        int id = Convert.ToInt32(((Label)(grd.Rows[e.RowIndex].FindControl("lblUID"))).Text);

        SqlCommand cmd = new SqlCommand("delete user_data where userid= ' " + id + " ' ", con);

        con.Open();

        cmd.ExecuteNonQuery();

        con.Close();

        bindData();

    }

}

ASP.NET Code
VB.NET
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Click here VB.NET code

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