How to hide GridView Rows with conditions in ASP.NET C#?

Dear Mr. Jignesh Trivedi, Your Code is to good. But One Error occure: A field or property with the name 'DayName' was not found on the selected data source. My Code is: protected void Button1_Click(object sender, EventArgs e) { String[] arr = new String[6]; arr[0] = "Wednesday"; arr[1] = "Friday"; arr[2] = "Saturday"; SqlConnection con = new SqlConnection("Data Source=.\\SQLEXPRESS;AttachDbFilename=|DataDirectory|\\TestDB.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True"); SqlCommand cmd = new SqlCommand(); SqlDataReader dr; DataTable DT = new DataTable(); try { con.Open(); SqlDataAdapter da = new SqlDataAdapter("select *from day", con); da.Fill(DT); var newDt = (from d in DT.AsEnumerable() where !arr.Contains(d.Field("DayName")) select d); GridView1.DataSource = newDt; GridView1.DataBind(); } catch (Exception pm) { Label2.Text = pm.Message; } finally { con.Close(); } } Please Solve it......

Dear Mr. Munesh Sharma, Error message from your code: "Error 10 An object reference is required for the non-static field, method, or property 'System.Web.UI.WebControls.GridView.Rows.get'" I do ................ protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { foreach (GridViewRow r in GridView.Rows) { r.Visible = r.Cells[2].Text != "0"; //Or using ItemTemplate: r.Visible = (r.FindControl("Label1") as Label).Text != "0"; } } } protected void Button1_Click(object sender, EventArgs e) { String[] arr = new String[6]; arr[0] = "Wednesday"; arr[1] = "Friday"; arr[2] = "Saturday"; SqlConnection con = new SqlConnection("Data Source=.\\SQLEXPRESS;AttachDbFilename=|DataDirectory|\\TestDB.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True"); SqlCommand cmd = new SqlCommand(); SqlDataReader dr; DataTable DT = new DataTable(); try { con.Open(); SqlDataAdapter da = new SqlDataAdapter("select *from day", con); da.Fill(DT); //var newDt = (from d in DT.AsEnumerable() // where !arr.Contains(d.Field("DayName")) // select d); GridView1.DataSource = DT; GridView1.DataBind(); } catch (Exception pm) { Label2.Text = pm.Message; } finally { con.Close(); } } Please Solve it.

Try this

protected void custGV_SelectedIndexChanged(object sender, EventArgs e)

    {

        custGV.Rows[custGV.SelectedIndex].Visible = false; 

    }