How to call stored procedures in SQL Server
How to call stored procedures in SQL Server, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, I hope you can gain something.
1: deletin
CREATEPROCEDURESp_deletedatabyCondition@tablenamenvarchar, @ conditionnvarchar, ASBEGINDECLARE@Sqlnvarchar, SET@Sql='deletefrom'+@tablename+'where'+@conditionEXEC (@ Sql) ENDGO
2: query
CREATEPROCEDURESP_getColumnsByCondition@tablenamenvarchar, @ columnsnvarchar, @ conditionnvarchar, ASBEGINDECLARE@sqlnvarchar (1000) SET@sql='select'+@columns+'from'+@tablename+'where11=1'+@conditionEXEC (@ sql) ENDGO
3: update
CREATEPROCEDURESp_UpdateTablebyCondition@tablenamenvarchar, @ conditionnvarchar, @ columnsnvarchar, ASBEGINDECLARE@sqlnvarchar (1000) SET@sql='update'+@tablename+'set'+@columns+'where'+@condition--PRINT@sqlEXEC (@ sql) ENDGO
Learn how to call code for SQLServer stored procedures
Calls to the above operations:
Stringtablename= "news", where= "id=21"; SqlParameter [] para=newSqlParameter [] {newSqlParameter ("@ tablename", tablename), newSqlParameter ("@ condition", where)}; intresult=DB.ExecuteProcCommand ("Sp_deletedatabyCondition", para); if (result > 0) {Response.Write ("deleted successfully");} DBpublicstaticintExecuteProcCommand (stringproc,paramsSqlParameter [] values) {SqlConnectionmyconn=getcon (); SqlCommandcmd=newSqlCommand (proc,myconn); cmd.Parameters.AddRange (values); cmd.CommandType=CommandType.StoredProcedure;intresult=-1;try {result=cmd.ExecuteNonQuery ();} catch (Exceptionex) {throwex } finally {myconn.Close (); myconn.Dispose ();} returnresult;}.
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