error while executing code !

Server Error in '/' Application

the system cannot find the file specified

 

Description: An unhandled exception occured during the execution of he current web request. please review the stack trace for more information about the error and where it orignated in the code.

 

Exception Details: System componentModel Win32Exception. The system cannot find the file specified.

 

Source Error:

Line 152: DataSet Lcount = new DataSet();

Line 153: con.Close();

Line 154: sda.Fill(Lcount,"All"); // showing error on this line

Line 155: return Lcount;

Line 156: }