procedureTForm1.InitFormUI();{*功能:在窗体上方居中显示 “XXXXXXXX”}vartempint:integer; Ofont:TFont;begin{* Ofont不添加 free语句,程序异常消失 - *异常为:(delphi Exception EAccessVioation in module Project1)}Ofont:=TFont.Create(); Ofont.Assign(Canvas.Font);//将原始值保留Canvas.Font.Name:...
C# - StoredProcedure - SqlDbType.Bit C# - switch case with readonly members C# - System.FormatException: Input string was not in a correct format. c# - TCP/IP multiple client not multi threaded c# - Windows form background image slows down loading c# - Write to text file - appending ...
With the polly retry, as long as I put our things in using bracket, that should still handle all dispose and connection close of SqlConnection, SqlCommand and SqlDataReader? Do I need to do something special? JRahnama commentedon Aug 27, 2022 ...
InvalidOperationException: The constraint reference 'id' could not be resolved to a type. Register the constraint type with 'Microsoft.AspNetCore.Routing.RouteOptions.ConstraintMap'.Microsoft.AspNetCore.Routing.DefaultParameterPolicyFactory.Create(RoutePatternParameterPart parameter, string inlineText)...
Procedure raise_application_error( Num binary_integer; Msg varchar2; Keeperrorstack Boolean default false ) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 其中num 是在 -20999 到 -20000 之间的任何数字(但事实上, DBMS_OUPUT 和 DBMS_DESCRIBLE 包使用了 -20005 到 -20000 的数字); ...
... -- Some operation that causes an ORA-00060 error EXCEPTION WHEN deadlock_detected THEN -- handle the error END; 对于用户自定义异常,只能在PL/SQL块中的声明部分声明异常,异常的名字由EXCEPTION关键字引入: reserved_loaned Exception 产生异常后,控制传给了子程序的异常部分,将异常转向各自异常控制块,...
If the specific cause of the exception is unknown, consider using the following procedure to get a stack trace. Note This procedure assumes that you can locateNT!PspUnhandledExceptionInSystemThread. However, in some cases, like in an access violation crash, you won't be able to findNT!PspUn...
00100 Value out of range for string operation 00102 Divide by zero 00112 Invalid Date, Time or Timestamp value. 00121 Array index not valid 00122 OCCUR outside of range 00202 Called program or procedure failed 00211 Error calling program or procedure ...
Troubleshooting Procedure The devices belong to different stack domains. The stack domain IDs of member switches are different. Run the display stack configuration command to check the stack domain ID of each member switch. Run the stack member member-id domain domain-id co...
> WHEN e_invalid_dept THEN > DBMS_OUTPUT.PUT_LINE ('No such department'); > DBMS_OUTPUT.PUT_LINE (SQLERRM); > DBMS_OUTPUT.PUT_LINE (SQLCODE); > END; > / No such department User-Defined Exception 1 PL/SQL procedure successfully completed. ...