C#?? ?? ????? ??? ? `cmd.CommandType = CommandType.StoredProcedure;`? ??????
Dec 21, 2024 am 07:14 AM
SQL ???? CommandType ??: StoredProcedure? Text
C#?? ?? ????? ??? ? ??? ?? ??? ??? ?? ??????.
string sql = "GetClientDefaults";
SqlCommand cmd = new SqlCommand(sql);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@computerName", computerName); ??? ??? ?? ??? ????. cmd.CommandType = ?????? CommandType.StoredProcedure; ????, ?? ???? ?? ?? ??? ? ?? ???? ??? ??????
?? ?? ??
?? ???? ??? SQL Server? CommandType.Text ?? CommandType.StoredProcedure ?? ??? ???? ?? ???? ?????. ??? CommandType.StoredProcedure? ???? SQL Server?? ?? ???? ? ????? ?????. ?? ?? CommandType.StoredProcedure? ???? ??? ?????.
???? ??
CommandType.Text? ??? ? CommandText ??? ???? ??? ???? ?? ?????. ?? SQL Server?? ?? ?? ????? ? ???? sp_executesql ??? ?? ?? ??? ???? ???? ?? ?????. ??? ??? ??? ????? ?? ???? ???? ???.
?? ?? ??? ?? ????? ???? ??
create procedure dbo.Test ( @Text1 varchar(10) = 'Default1' ,@Text2 varchar(10) = 'Default2' ) as begin select @Text1 as Text1, @Text2 as Text2 end
?? ?? CommandType.Text? ???? ???? ??? ???? ???. CommandText? ???? ??:
string callText = "dbo.Test @Text1, @Text2";
??? ??? ??? ????? ??? ???? ??? ?????. ?????.
??
??:
- ??? ??? ???? ?? ????? ??? ? CommandType.StoredProcedure? ?????.
- CommandType? ??? ?. ???? ?? CommandText? ???? ??? ?????.
? ??? C#?? ?? ????? ??? ? `cmd.CommandType = CommandType.StoredProcedure;`? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
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