Arithmetic Operation Resulted In An Overflow

After updating my website on ii7 on window server 2008 from framework 3.5 to work with framework 4 i got my c#

base database class stop working copmlitly with this error: "Arithmetic operation resulted in an overflow".

I am working with mysql server from different server.

I did not find any solution on this so i had very sadness to role bakce to framework 3.5

here is some of my logs for this error in the event viewr on my server:

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Process information:

Process ID: 3680

Process name: w3wp.exe

Account name: NT AUTHORITY\NETWORK SERVICE

Exception information:

Exception type: OverflowException

Exception message: Arithmetic operation resulted in an overflow.

at DataAccess.ExecuteStringQuery(String strSQL) in d:\webSites\s2s\App_Code\DB\DataAccess.cs:line 214

at DataSelect.generalString(String rowName, String tableName, String idName, String ID) in

d:\webSites\s2s\App_Code\DB\DataSelect.cs:line 48

at camsBaseShowWeb.OnPreInit(EventArgs e) in d:\webSites\s2s\App_Code\Bases\camsBaseShowWeb.cs:line 134

at System.Web.UI.Page.PerformPreInit()

at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean

includeStagesAfterAsyncPoint)

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big thanks for any halp