Internal connection error ?

SQL database are located in the China SZ data Centre. When the invTable got
over 5000 records. I will get such error.

does anyone know ?



dsExcelExport.Clear()
daExcelExport.SelectCommand = New SqlCommand
daExcelExport.SelectCommand.Connection =
dtsclass.DatabaseConnection.GetDbConnection("ACCOUNT")
daExcelExport.SelectCommand.CommandText = "select invno, ......
from invTable order by invno"
daExcelExport.Fill(dsExcelExport) <--- Error when fill dataset