The Conversion Of The Nvarchar Value '3008000003' Overflowed An Int Column. Maximum Integer Value Exceeded.

 Hi
Am Using ASP.NET With SQL SERVER 2005 Backend
AGENT CODE
3008000003


               



NAME



agent code dropdownlist values like 1005000006,2009000002,3008000003
select dropdownlist value it display corresponding values related to that code
when i select first 2 values its run properly,
But when i select  3008000003 i will get following error message
in SQL SERVER 2005 Agent Code Date Type is "bigint"

"
The conversion of the nvarchar value '3008000003' overflowed an int
column. Maximum integer value exceeded. Description:
An unhandled exception occurred during the execution of the current web
request. Please review the stack trace for more information about the error and
where it originated in the code.

Exception Details:
System.Data.SqlClient.SqlException: The conversion of the nvarchar value
'3008000003' overflowed an int column. Maximum integer value
exceeded.

Source Error:





An unhandled exception was generated during the execution of the
current web request. Information regarding the origin and location of the
exception can be identified using the exception stack trace below.

Stack Trace:

 

Please Help me to solve this issue
Thanks With Regards
S.Senthil Nathan