sourcetable ---> desttable desttable = sourcetable.clone '克隆 DataTable 的结构,包括所有 DataTable 架构和约束。desttable 加上一个主键列定义 (不重复的行) try desttable = suocetable.copy catch ex as exception '不做任何东东 end try可以了!!!!
可以这么做: DataTable dt = yourDataTable.Clone(); yourDataTable.PrimaryKey = new DataColumn[]{dt1.Columns["FieldName"]}; foreach (DataRow dr in yourDataTable.Rows) { if (dt..Rows.Contains(dr["FieldName"]) yourDataTable.Rows.Remove(dr); }
try desttable = suocetable.copy
catch ex as exception
'不做任何东东
end try可以了!!!!
DataTable dt = yourDataTable.Clone();
yourDataTable.PrimaryKey = new DataColumn[]{dt1.Columns["FieldName"]};
foreach (DataRow dr in yourDataTable.Rows)
{
if (dt..Rows.Contains(dr["FieldName"])
yourDataTable.Rows.Remove(dr);
}
jiezhi(風依舊),方法听起来不错,不知道有没有试过了?有时间试一下