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  • ADO.NET——获取output 和 return值

    程序代码
    //存储过程
    //Create PROCEDURE MYSQL
    //     @a int,
    //     @b int
    //AS
    //     return @a + @b
    //GO
    SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["LocalSqlServer"].ToString());
    conn.Open();
    SqlCommand MyCommand = new SqlCommand("MYSQL", conn);
    MyCommand.CommandType = CommandType.StoredProcedure;
    MyCommand.Parameters.Add(new SqlParameter("@a", SqlDbType.Int));
    MyCommand.Parameters["@a"].Value = 10;
    MyCommand.Parameters.Add(new SqlParameter("@b", SqlDbType.Int));
    MyCommand.Parameters["@b"].Value = 20;
    MyCommand.Parameters.Add(new SqlParameter("@return", SqlDbType.Int));
    MyCommand.Parameters["@return"].Direction = ParameterDirection.ReturnValue;
    MyCommand.ExecuteNonQuery();
    Response.Write(MyCommand.Parameters["@return"].Value.ToString());
    程序代码
    //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 MyCommand = new SqlCommand("MYSQL", conn);
    MyCommand.CommandType = CommandType.StoredProcedure;
    MyCommand.Parameters.Add(new SqlParameter("@a", SqlDbType.Int));
    MyCommand.Parameters["@a"].Value = 20;
    MyCommand.Parameters.Add(new SqlParameter("@b", SqlDbType.Int));
    MyCommand.Parameters["@b"].Value = 20;
    MyCommand.Parameters.Add(new SqlParameter("@c", SqlDbType.Int));
    MyCommand.Parameters["@c"].Direction = ParameterDirection.Output;
    MyCommand.ExecuteNonQuery();
    Response.Write(MyCommand.Parameters["@c"].Value.ToString());
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  • 原文地址:https://www.cnblogs.com/zeroone/p/3306553.html
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