[Solved] Radcombobox Problem

[Jols]

Hello to all expert in telerik controls

                        Once again i would like to ask help to you guys who knows very well in asp.net, ok.. here's my question coz its raises some error, i have two radcombobox namely the group and the other one is the member.. of course that is connected to the database,.when i tried to select group on the first attempt its shows the member on the second combobox, then second attempt i trying to select another group to be able to load again to the second combobox which is the member, but its raises some error..
this is the error.... Redirect URI cannot contain newline characters. i debug my services there is no error but it goes to that method below.. Pleaes help

and here's my codes for the second combobox, coz the error goes in this method,

 

protected void Responsible(string groupkey)

 

{

 

AppGlobalDeclarations gConn = new AppGlobalDeclarations();

 

RequestMaster05Users.

RequestMaster05UsersClient _MasterUsers = new IBOS.RequestMaster05Users.RequestMaster05UsersClient();

 

 

try

 

{

 

this.RDCboResponsible.DataSource =_MasterUsers.tblMaster05Users_ResponsibleList(groupkey,gConn.SQLConnection);

 

 

this.RDCboResponsible.DataTextField = "fcUserName";

 

 

this.RDCboResponsible.DataValueField = "fxKeyID";

 

 

this.RDCboResponsible.DataBind();

 

}

 

catch (Exception ex)

 

{

 

string msg = ex.Message; >>> Redirect URI cannot contain newline characters

 

Response.Redirect(

"../CustomErrorPage.aspx?ErrorMessage=" + msg);

 

}

}

sample code is highly appreciated
thanks