private void PopulateVendor()
        {
            DataTable dt = new DataTable();

            dt = m_oRegister.GetRegVendorList();
            DataTable dtt = new DataTable();

            dtt = clsStatic.AddSelectToDataTable(dt);
            //toolStripVendor.ComboBox.DataSource = dtt;
            //toolStripVendor.ComboBox.DisplayMember = "VendorName";
            //toolStripVendor.ComboBox.ValueMember = "VendorId";
            //toolStripVendor.ComboBox.SelectedIndex = 0;
            leFilter.DataSource = dtt;
            leFilter.ForceInitialize();
            leFilter.PopulateColumns();
            leFilter.DisplayMember      = "VendorName";
            leFilter.ValueMember        = "VendorID";
            leFilter.ShowHeader         = false;
            leFilter.ShowFooter         = false;
            leFilter.Columns[0].Visible = false;
            toolStripVendor.Edit        = leFilter;
            toolStripVendor.EditValue   = -1;
        }