Office Systems Developer

public string ConvertFieldToUpper(string MyTable, string MyField)
        {
            Access.Application oAccess = ((Access.Application)
                (Marshal.GetActiveObject("Access.Application")));
            try
            {
                string strSQL;
                strSQL = String.Format("UPDATE {0} SET {1} = UCase([{1}])", MyTable, MyField);

                oAccess.DoCmd.RunSQL(strSQL.ToString(),null);
                return "OK";
            }
            catch (Exception)
            {
                throw;
            }
            finally
            {
                Marshal.ReleaseComObject(oAccess);
            }
        }


        public string ConvertFieldToLower(string MyTable, string MyField)
        {
            Access.Application oAccess = ((Access.Application)
                (Marshal.GetActiveObject("Access.Application")));
            try
            {
                string strSQL;
                strSQL = String.Format("UPDATE {0} SET {1} = LCase([{1}])", MyTable, MyField);

                oAccess.DoCmd.RunSQL(strSQL.ToString(), null);
                return "OK";
            }
            catch (Exception)
            {
                throw;
            }
            finally
            {
                Marshal.ReleaseComObject(oAccess);
            }
        }


        public string ConvertFieldToProper(string MyTable, string MyField)
        {
            Access.Application oAccess = ((Access.Application)
                (Marshal.GetActiveObject("Access.Application")));
            try
            {
                string strSQL;
                strSQL = String.Format("UPDATE {0} SET {1} = STRCONV([{1},3])", MyTable, MyField);

                oAccess.DoCmd.RunSQL(strSQL.ToString(), null);
                return "OK";
            }
            catch (Exception)
            {
                throw;
            }
            finally
            {
                Marshal.ReleaseComObject(oAccess);                
            }
        }