how to define the oledbconnection

I tried to define the oledbconnection as follows:
oledbconnection myconnection=new oledbconnection("provider=microsoft.jet.OLEDB.4.0,datasource=c:\inetpub\wwwroot\test\employee.mdb")

but that doesn't work,it gives me an error(the conntectionstring property has not been intialized),how to solve that experts?
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Show more code and the exact location you get this error.
lion79Author Commented:
i want to know that in general,but here is my code:

OleDbConnection myConnection = new OleDbConnection("provider=microsoft.jet.OLEDB.4.0,datasource=c:\inetpub\wwwroot\test\employee.mdb")

                  const string SQL = @"SELECT DepartmentID, Name FROM Departments WHERE DivisionID = @DivisionID ORDER BY Name";
                  OleDbCommand myCommand = new OleDbCommand(SQL, myConnection);
                  myCommand.Parameters.Add(new OleDbParameter("@DivisionID", divID));

                  ddlDepartment.DataSource = myCommand.ExecuteReader();

And which line do you get the error? Try changing it to...

OleDbConnection myConnection = new OleDbConnection("provider=microsoft.jet.OLEDB.4.0,datasource=c:\inetpub\wwwroot\test\employee.mdb;User Id=admin;Password=;")

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