Full edit WebGrid Control Lrcgrid (5)--constructors, variables, and properties

Full edit WebGrid Control Lrcgrid (5)--constructors, variables, and properties
Lrcgrid inherits from System.Web.UI.WebControls.Table, implements INamingContainer interface
Metadata properties and constructors: metadata declares the label and default property of a control, and the constructor specifies a default value for some properties of the control.
[
ToolBoxData ("<{0}:lrcgrid runat=server></{0}:lrcgrid>"),
Defaultproperty ("Selsql")
]
public class Lrcgrid:system.web.ui.webcontrols.table,inamingcontainer
{

Public Lrcgrid (): Base ()
{
Font.Name = "Verdana";
Font.Size = Fontunit.point (8);
BackColor = Color.White;
ForeColor = Color.Black;
BorderStyle = Borderstyle.outset;
BorderWidth = Unit.parse ("1px");
PagerStyle = Pagerstyle.nextprev;
CurrentPageIndex = 0;
ItemsPerPage = 15;
TotalPages =-1;
Ispager = true;
}
......
To declare a private variable:
Private variables related to paging
#region and paging-related private variables
// ***********************************************************************
private string currentpagetext = "<b> </b> {0} <b> page, total </b> {1}<b> page </b>";
private string Nopageselectedtext = "No Selection page."
private String Querypagecommandtext = "SELECT * from" +
"(SELECT top {0} * from" +
"(SELECT top {1} * FROM ({2}) as T0 order by {3} {4}) as T1" +
' ORDER by {3} {5} ' as T2 +
"Order BY {3}";
private String querycountcommandtext = "Select COUNT (*) from ({0}) as T0";
// ***********************************************************************
#endregion

Private variables related to properties:
Char[] Chra = {', '};
Char[] ChrB = {' | '};
Private DataSet _ds;
Private DataTable _dt;
private string tabn;
private string _prikey;
private String _editcol = "1";