/// <summary>
///当DataTable中有值时，是不允许修改列的DataType
/// 修改数据表DataTable某一列的数据类型和记录值
/// </summary>
/// <param name="argDataTable">数据表DataTable</param>
/// <returns>数据表DataTable</returns>
private DataTable UpdateDataTable(DataTable argDataTable)
{
DataTable dtResult = new DataTable();
//克隆表结构
dtResult = argDataTable.Clone();
//修改数据列类型
foreach (DataColumn col in dtResult.Columns)
{
if (col.ColumnName == "Status")
{
col.DataType = typeof(String);
}
if (col.ColumnName == "HasBumiputera")
{
col.DataType = typeof(String);
}
}
foreach (DataRow row in argDataTable.Rows)
{
DataRow rowNew = dtResult.NewRow();
rowNew["A"] = row["A"];
rowNew["B"] = row["B"];
rowNew["C"] = row["C"];
rowNew["D"] = row["D"];
rowNew["E"] = row["E"];
rowNew["F"] = row["F"];
}
return dtResult;
}