DataTable And DataRow

/// <summary>
/// 将DataTable的字段名全部翻译为中文
/// </summary>
/// <param name="table">待翻译的DataTable</param>
/// <returns></returns>
public DataTable TranslateDataTable(DataTable table)
{
    DataTable dt = new DataTable();
    dt.TableName = "TempTable";

    if (table != null && table.Rows.Count > 0)
    {
        //先为dt构造列信息
        foreach (DataColumn column in table.Columns)
        {
            string name = GetColumnName(column.ColumnName);
            dt.Columns.Add(name);
        }

        for (int i = 0; i < table.Rows.Count; i++)
        {
            DataRow NewRow = dt.NewRow();
            DataRow row = table.Rows[i];

            for (int j = 0; j < dt.Columns.Count; j++)
            {
                NewRow[j] = row[j].ToString();
            }

            dt.Rows.Add(NewRow);
        }
    }
    return dt;
}

/// <summary>
/// 得到列名称的别名
/// </summary>
/// <param name="columnName"></param>
/// <returns></returns>
private string GetColumnName(string columnName)
{
    string sqlString = " Select TRANSLATION from COLUMNTRANSLATION where COLUMNNAME = '" + columnName.ToUpper() + "'";

    object s = dao.ExecuteScalar(sqlString);
    string name = (s == null) ? columnName : s.ToString(); //如果此英文字段有翻译，则返回其中文翻译，若无，则保留此英文翻译。
    return name;
}