public ValidationResult ValidateUsername(string username, string originalUsername)
{
// This web service in turns call a WCF service which resides on the same or different systems.
ValidationResult result = new ValidationResult();
if (String.IsNullOrEmpty(username))
{
result.Success = false;
result.ErrorCode = -1;
result.ErrorText = ValidationErrors.UsernameCannotBeEmpty;
return(result);
}
UserManagementController controller = new UserManagementController();
if (controller.ExistsUsername(username) && !username.Equals(originalUsername))
{
result.Success = false;
result.ErrorCode = -1;
result.ErrorText = String.Format(ValidationErrors.UsernameAlreadyExists, username);
return(result);
}
else
{
result.Success = true;
}
return(result);
}
protected override bool OnServerSideEvaluate()
{
String username = GetControlValidationValue("UserLoginId");
String originalUsername = ((HiddenField)FindControl("OriginalUserLoginId")).Value;
if (String.IsNullOrEmpty(username))
{
ErrorMessage = ValidationErrors.UserIDCannotBeEmpty;
return(false);
}
var controller = new UserManagementController();
if (controller.ExistsUsername(username) && !username.Equals(originalUsername))
{
ErrorMessage = String.Format(ValidationErrors.UsernameAlreadyExists, username);
return(false);
}
return(true);
}