protected void btnView_Click(object sender, EventArgs e)
    {
        switch (rbnPapersetter.SelectedItem.Value)
        {
        case "Code":
            SqlCommand cmd = new SqlCommand("select Code,Name,SCode,Course,Session from PaperSetter where Code='" + txtSearch.Text.ToString() + "'", con);
            DataSet    ds  = new DataSet();
            con.Open();
            SqlDataAdapter dap = new SqlDataAdapter(cmd);
            dap.Fill(ds, "PaperSetter");
            GridpaperView.DataSource = ds;
            GridpaperView.DataBind();
            break;

        case "Name":
            SqlCommand cmd1 = new SqlCommand("select Code,Name,SCode,Course,Session from PaperSetter where  Name='" + txtSearch.Text.ToString() + "'", con);
            DataSet    ds1  = new DataSet();
            con.Open();
            SqlDataAdapter dap1 = new SqlDataAdapter(cmd1);
            dap1.Fill(ds1, "PaperSetter");
            GridpaperView.DataSource = ds1;
            GridpaperView.DataBind();
            break;
        }
    }
    public void grid()
    {
        SqlCommand     cmd = new SqlCommand("select Code,Name,SCode,Course,Session  from PaperSetter", con);
        DataSet        ds  = new DataSet();
        SqlDataAdapter dap = new SqlDataAdapter(cmd);

        dap.Fill(ds, "PaperSetter");
        GridpaperView.DataSource = ds;
        GridpaperView.DataBind();
    }
 protected void GridpaperView_SelectedIndexChanging(object sender, GridViewSelectEventArgs e)
 {
     if (GridpaperView.Rows.Count > 0)
     {
         SqlDataAdapter ad = new SqlDataAdapter("select Code,Name,SCode,Course,Session from PaperSetter", con);
         DataSet        ds = new DataSet();
         ad.Fill(ds);
         GridpaperView.DataSource = ds;
         GridpaperView.DataBind();
         pnlselect.Visible = true;
     }
 }
 protected void ddlCourse_SelectedIndexChanged(object sender, EventArgs e)
 {
     pnlGrid.Visible = true;
     if (ddlCourse.SelectedValue.ToString() == "Civil")
     {
         pnlGrid.Visible = true;
         SqlCommand     cmd4 = new SqlCommand("select Code,Name,SCode,Course,Session  from PaperSetter where Course ='" + ddlCourse.SelectedValue.ToString() + "'", con);
         DataSet        ds4  = new DataSet();
         SqlDataAdapter dap4 = new SqlDataAdapter(cmd4);
         dap4.Fill(ds4, "PaperSetter");
         GridpaperView.DataSource = ds4;
         GridpaperView.DataBind();
     }
     else if (ddlCourse.SelectedValue.ToString() == "Architecture")
     {
         pnlGrid.Visible = true;
         SqlCommand     cmd4 = new SqlCommand("select Code,Name,SCode,Course,Session  from PaperSetter where Course ='" + ddlCourse.SelectedValue.ToString() + "'", con);
         DataSet        ds4  = new DataSet();
         SqlDataAdapter dap4 = new SqlDataAdapter(cmd4);
         dap4.Fill(ds4, "PaperSetter");
         GridpaperView.DataSource = ds4;
         GridpaperView.DataBind();
     }
 }