Binding Fill Comobox Control

Control #region The bind fill Comobox control

public class Mycomboboxcontrol
{
#region "Custom Fields"

private string Tindexfieldname;
private string Tvaluefieldname;
Private System.Collections.ArrayList Tsourcearray;
Private System.Windows.Forms.ComboBox Tcombobox;
Private System.Data.DataTable tsourcedatatable;
private string Terror= "";
Private string[] Totherfield;

#endregion

#region "Custom Properties"
<summary>
Error messages that may occur when populating
</summary>
public string Error
{
Get
{
Return terror;
}
}

<summary>
Combo controls can bind to data tables
</summary>
Public System.Data.DataTable souredatatable
{
Get
{
return tsourcedatatable;
}
Set
{
Tsourcedatatable=value;
}
}

<summary>
A collection of arrays of data to be saved as a combo data source
</summary>
Public System.Collections.ArrayList Sourearray
{
Get
{
return tsourcearray;
}
Set
{
Tsourcearray=value;
}
}

<summary>
The name of the index field provided by the Data source table
</summary>
public string Indexfieldname
{
Get
{
return tindexfieldname;
}
Set
{
Tindexfieldname=value;
}
}

<summary>
The name of the content field provided by the Data source table
</summary>
public string Valuefiledname
{
Get
{
return tvaluefieldname;
}
Set
{
Tvaluefieldname=value;
}
}

<summary>
The combobox control that will be bound
</summary>
Public System.Windows.Forms.ComboBox ComboBox
{
Get
{
return tcombobox;
}
Set
{
Tcombobox=value;
}
}
#endregion

Public Mycomboboxcontrol ()
{
Tsourcearray=new System.Collections.ArrayList ();
Tcombobox=new System.Windows.Forms.ComboBox ();
}


Public Mycomboboxcontrol (System.Data.DataTable pdatatable)
{
tsourcedatatable=pdatatable;
Tsourcearray=new System.Collections.ArrayList ();
Tcombobox=new System.Windows.Forms.ComboBox ();
}


Public Mycomboboxcontrol (System.Windows.Forms.ComboBox Pcombobox,
System.Data.DataTable pdatatable,
String Pvaluefieldname,
String Pindexfieldname,
params string[] Potherfield)
{
tsourcedatatable=pdatatable;
Tsourcearray=new System.Collections.ArrayList ();
PComboBox.Items.Clear ();
Tcombobox=pcombobox;
Tvaluefieldname=pvaluefieldname;
Tindexfieldname=pindexfieldname;
Totherfield=potherfield;

Bindcomboboxbydatatable ();
}

<summary>
Populate the Data source table with the array set merge to ComboBox
</summary>
<returns></returns>
public bool Bindcomboboxbydatatable ()
{
Try
{
foreach (DataRow tdatarow in Tsourcedatatable.rows)
{
String[] M=null;//=new string[totherfield.length];

if (totherfield!=null)
{
if (totherfield.length>0)
{
M=new String[totherfield.length];
for (int i=0;i<=totherfield.length-1;i++)
{
M[i]=tdatarow[totherfield[i]]. ToString ();
}
}
}

Tsourcearray.add (New Mycomboboxitem (Tdatarow[tvaluefieldname). ToString (),
Convert.ToInt32 (Tdatarow[tindexfieldname]), m);
}

if (TSourceDataTable.Rows.Count >0)
{
Tcombobox.datasource = Tsourcearray;
Tcombobox.displaymember = "Value";
Tcombobox.valuemember = "Index";
}

return true;
}
catch (System.Exception e)
{
Terror=e.tostring ();
return false;
}
}
}

public class Mycomboboxitem
{

Public Mycomboboxitem ()
{

}

<summary>
The element class of the bound array collection
</summary>
<param name= "Pvalue" > Content, Value </param>
<param name= "Pindex" > Index, Key </param>
Public Mycomboboxitem (string pvalue, int pindex,params string[] pothervalue)
{
Tindex = Pindex;
TValue = pvalue;
Tothervalue=pothervalue;
}

#region "Custom Properties"

private string TValue;
private int tindex;
Private string[] Tothervalue;

<summary>
Content Properties
</summary>
public string Value
{
Get{return TValue;}
}

<summary>
Indexed properties
</summary>
public int Index
{
Get{return Tindex;}
}

<summary>
Secondary prompt properties
</summary>
Public string[] Othervalue
{
Get{return Tothervalue;}
}

#endregion

}
#endregion
Fills the specified number into the ComboBox
public void Filldatainfotocombo (System.Windows.Forms.ComboBox pcombobox,string pname,int pid,params string[] pother)
{
My.mycomboboxcontrol t=new Trafficerpsystem. My.mycomboboxcontrol ();
My.mycomboboxitem m=new Trafficerpsystem. My.mycomboboxitem (Pname,pid,pother);

T.sourearray.add (m);
Pcombobox.datasource=t.sourearray;
Pcombobox.displaymember = "Value";
Pcombobox.valuemember = "Index";
T=null;
}

#region "Populate the Affiliate station information to ComboBox"

public bool FILLSBDSTACBO (System.Windows.Forms.ComboBox Pcombobox)
{

DataSet t=new DataSet ();
Own database
Business.SysManage.SysManage s=new Business.SysManage.SysManage ();

if (!s.getsubordstation (t, "sbdstainfo"))
{
Terror=s.err;
T=null;
S=null;
return false;
}

My.mycomboboxcontrol m=new Trafficerpsystem. My.mycomboboxcontrol (Pcombobox,t.tables[0], "Sbdstaname", "Sbdstaid");
if (m.error!= "")
{
Terror= "Populate the Affiliate station information failed!" "+m.error;
T=null;
M=null;
return false;
}

M=null;s=null;t=null;
return true;
}