DataTable列修改

 /// <summary>    /// 修改datatable列    /// </summary>    /// <param name="argDataTable"></param>    /// <param name="newid"></param>    /// <returns></returns>    private DataTable UpdateDataTableEvaluation(DataTable argDataTable, string newid)    {        DataTable dtResult = new DataTable();        //克隆表结构        dtResult = argDataTable.Clone();

        foreach (DataColumn col in dtResult.Columns)        {            if (col.ColumnName == "age")            {                //修改列类型                col.DataType = typeof(String);            }        }        foreach (DataRow row in argDataTable.Rows)        {            DataRow rowNew = dtResult.NewRow();            rowNew["Id"] = row["Id"];            rowNew["Evaluation"] = row["Evaluation"];            rowNew["Careergoal"] = row["Careergoal"];            rowNew["ResumeId"] = newid;            dtResult.Rows.Add(rowNew);        }        //返回        return dtResult;    }

转载于:https://www.cnblogs.com/ybb521/archive/2012/05/18/2507925.html

相关资源：数据结构—成绩单生成器