关于DataTable动态列名拼接

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/// <summary> /// 多条件的过滤返回DataTable /// </summary> /// <param name="dataTable"></param> /// <param name="filterConditions"></param> /// <returns></returns> private DataTable  MuilteExpressionFilter(DataTable dataTable,List<dynamic> filterConditions) {     var filteredRows = dataTable.AsEnumerable() .Where(row => {     foreach (dynamic condition in filterConditions)     {         if (condition.Key != null && condition.Value != null)         {             string fieldName = condition.Key.ToString();             string fieldValue = condition.Value.ToString();             if (row[fieldName].ToString() != fieldValue)             {                 return false;             }         }     }     return true; });       // 创建新 DataTable 存储过滤结果     DataTable filteredDataTable = dataTable.Clone();     foreach (DataRow filteredRow in filteredRows)     {         filteredDataTable.ImportRow(filteredRow);     }       return  filteredDataTable;  }