jineesh 0 Newbie Poster

I am using LINQ in my project. I have tried using update query. But this is not working for me.
Please any body help me. Did I need to change any settings of my database? or for the datacontext?

My code is as follows:
here dc is the datacontext, getinteger() is an extension method, ucItem is a custom control,
Common is a class

if (clsTblAsset.AssetId == 0)
                  {
                        clsTblAsset.StockId = ucItem._Id.getInteger();
                        clsTblAsset.RefId = 0;
                        clsTblAsset.RefModule = "S";
                        clsTblAsset.AssetEntryDate = DateTime.Now.Date.getDateTime();
                        clsTblAsset.LoginId = ClsParameters.LogInId;
                        Common.dc.TblAssets.InsertOnSubmit(clsTblAsset);
                  }
                  Common.dc.SubmitChanges();

Can any body help me now please..

Regards,
Jineesh