ASP.NET

//Merging CSV files to one file
    private void MergeCSVFiles()
    {
        System.Diagnostics.ProcessStartInfo psi = new System.Diagnostics.ProcessStartInfo(@"C:\CSV Files\CSVMerge.bat");
        psi.RedirectStandardOutput = true;
        psi.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
        psi.UseShellExecute = false;
        System.Diagnostics.Process listFiles;
        listFiles = System.Diagnostics.Process.Start(psi);
        System.IO.StreamReader myOutput = listFiles.StandardOutput;
        listFiles.WaitForExit(2000);
    }

 DataSet dsUserTypes = new DataSet();
 int CompanyId = Convert.ToInt32(ProjectList.SelectedValue);
dsUserTypes = u.GetUserTypesforProjects(CompanyId); // Gets the data from database.

RadioButtonList UserTypes = new RadioButtonList();
UserTypes.ID = "UserTypesList";

for (int j = 0; j <= dsUserTypes.Tables[0].Rows.Count - 1; j++)
{
    UserTypeName = dsUserTypes.Tables[0].Rows[j]["SecurityGroupName"].ToString().Trim();
    UserTypes.Items.Add(UserTypeName);
    UserTypeName = "";
}
RadioButtonPlaceHolder.Controls.Add(UserTypes);

<td>
                       <asp:PlaceHolder ID="RadioButtonPlaceHolder" runat="server"></asp:PlaceHolder>
                       </td>