发布网友 发布时间:2022-05-06 22:56
共6个回答
懂视网 时间:2022-05-07 03:18
//存储过程 //Create PROCEDURE MYSQL // @a int, // @b int, // @c int output //AS // Set @c = @a @b //GO SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings[LocalSqlServer].ToString()); conn.Open(); SqlCommand MyComm
//存储过程C#接收存储过程返回值:
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;
}
热心网友 时间:2022-05-07 00:26
返回的时候用dataset就可以,比如你存储过程这样写热心网友 时间:2022-05-07 01:44
使用DataAdapter把数据读进DataSet中,DataSet是可以有多个表的
热心网友 时间:2022-05-07 03:18
用存储过程的output参数试试热心网友 时间:2022-05-07 05:10
你把两个表联合查询不就成一个表了啊 那样不就可以了吗?是这个意思吗?热心网友 时间:2022-05-07 07:18
dataset