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接收存储过程的返回值

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 public static int User_Add(User us) {

int iRet;

SqlConnection conn = new SqlConnection(Conn_Str); SqlCommand cmd = new SqlCommand(\"User_Add\conn); cmd.CommandType = CommandType.StoredProcedure; cmd.Parameters.AddWithValue(\"@UName\us.UName); cmd.Parameters.AddWithValue(\"@UPass\us.UPass);

cmd.Parameters.AddWithValue(\"@PassQuestion\us.PassQuestion); cmd.Parameters.AddWithValue(\"@PassKey\us.PassKey); cmd.Parameters.AddWithValue(\"@Email\us.Email); cmd.Parameters.AddWithValue(\"@RName\us.RName); cmd.Parameters.AddWithValue(\"@Area\us.Area); cmd.Parameters.AddWithValue(\"@Address\us.Address); cmd.Parameters.AddWithValue(\"@ZipCodes\us.ZipCodes); cmd.Parameters.AddWithValue(\"@Phone\us.Phone); cmd.Parameters.AddWithValue(\"@QQ\us.QQ);

cmd.Parameters.Add(\"@RETURN_VALUE\\"\").Direction = ParameterDirection.ReturnValue; try {

conn.Open();

cmd.ExecuteNonQuery();

iRet = (int)cmd.Parameters[\"@RETURN_VALUE\"].Value; }

catch (SqlException ex) {

throw ex; } finally {

conn.Close(); }

return iRet; }

C#接收存储过程输出参数:

public static decimal Cart_UserAmount(int UID) {

decimal iRet;

SqlConnection conn = new SqlConnection(Conn_Str);

SqlCommand cmd = new SqlCommand(\"Cart_UserAmount\conn); cmd.CommandType = CommandType.StoredProcedure; cmd.Parameters.AddWithValue(\"@UID\UID);

cmd.Parameters.Add(\"@Amount\SqlDbType.Decimal).Direction=ParameterDirection.Output; try {

conn.Open();

cmd.ExecuteNonQuery();

iRet = (decimal)cmd.Parameters[\"@Amount\"].Value; }

catch (SqlException ex) {

throw ex; } finally {

conn.Close(); }

return iRet; }

另一种方法

public int generateWEReport(int toDepartNum) {

SqlCommand myComm = new SqlCommand(\"Proc_GenerateWEReport\sqlconnection);

myComm.CommandType = CommandType.StoredProcedure; //添加参数公寓ID

SqlParameter toDepart = new SqlParameter(\"@toDepart\SqlDbType.SmallInt, 2);

toDepart.Value = toDepartNum; myComm.Parameters.Add(toDepart); //添加返回的参数

SqlParameter toReturn = new SqlParameter(\"@toReturn\SqlDbType.Int, 4);

toReturn.Direction = ParameterDirection.Output; myComm.Parameters.Add(toReturn); sqlconnection.Open();

myComm.ExecuteNonQuery(); return (int)toReturn.Value; }

CREATE PROCEDURE Proc_GenerateWEReport (

@toDepart int, @toReturn int out ) as

declare @weYear int declare @weMonth int declare @HasRecord int

set @weYear = Year(GetDate()) set @weMonth = Month(GetDate())

select @HasRecord = count(*) from _tRoomWE, _tRoom where _tRoomWE.toRoom = _tRoom.roomid and _tRoom.toDepart = @toDepart and _tRoomWE.weYear = @weYear and _tRoomWE.weMonth = @weMonth if(@HasRecord = 0) begin

Insert into _tRoomWE(toRoom, weYear, weMonth) select roomId, @weYear, @weMonth from _tRoom where toDepart = @toDepart set @toReturn = 1 end else begin

set @toReturn = 0 end GO

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