小编Iva*_*nno的帖子

我有下面的代码，我正在使用参数，但它仍然生成许多重复的 SQL 执行计划。请问出了什么问题以及如何修复？

    string cmdString = @"INSERT INTO tb_RA_GLID (glid_StoreNumber, 
                                          glid_StoreName, 
                                          glid_FirstBusinessDate, 
                                          glid_LastBusinessDate, 
                                          glid_DateCreated, 
                                          glid_TimeCreated, 
                                          glid_ExportVersion, 
                                          glid_GLMappingVersion, 
                                          glid_POSModelOrType, 
                                          glid_POSVersion) 
                                          VALUES (@StoreNumber    , @StoreName    , @FirstBusinessDate    , @LastBusinessDate    , @DateCreated     , @TimeCreated   , @ExportVersion    , @GLMappingVersion    , @POSModelOrType    , @POSVersion     );
                                                 "; //SELECT SCOPE_IDENTITY();";
    using (SqlConnection conn = new SqlConnection(connectionString))
    {
        conn.ConnectionString = connectionString;
        using (SqlCommand comm = new SqlCommand())
        {
            comm.Connection = conn;
            comm.CommandText = cmdString;
            comm.Parameters.AddWithValue("@StoreNumber", columns[1]);
            comm.Parameters.AddWithValue("@StoreName", columns[2]);
            comm.Parameters.AddWithValue("@FirstBusinessDate", DateTime.ParseExact(columns[3], "yyyyMMdd", CultureInfo.InvariantCulture));
            comm.Parameters.AddWithValue("@LastBusinessDate", DateTime.ParseExact(columns[4], "yyyyMMdd", CultureInfo.InvariantCulture));
            comm.Parameters.AddWithValue("@DateCreated", DateTime.ParseExact(columns[5], …