1,使用DataTable.Rows.Remove(DataRow),或者DataTable.Rows.RemoveAt(index);可以直接删除行 2,datatable.Rows[i].Delete()。Delete()之后需要datatable.AccepteChanges()方法确认完全删除,因为Delete()只是将相应列的状态标志为删除,还可以通过datatable.RejectChanges()回滚,使该行取消删除。 只是delete掉的效果如下...
add column value to specific row in datatable Add comments in application setting. Add Embedded Image to Body of Email Add empty row to Datagridview Add EncodingType to Nonce element on SOAP Message (WS-Security) Add fonts to resources file Add hexidecimal character to a string Add IList to...
來源: DataRowCollection.cs 從集合的指定索引處移除資料列。 C# 複製 public void RemoveAt (int index); 參數 index Int32 要移除之資料列的索引。 範例 下列範例會藉由呼叫 RemoveAt 方法,移除 中的DataRowCollection最後一個數據列。 VB 複製 Private Sub RemoveRowByIndex() Dim table As DataTable ...
1DataRow dr = categoryTable.Rows.Find(213213); 2dr.Delete(); 3dataAdpater.Update(categoryTable); 查询MSDN解释如下: DataTable.Rows.Remove(row) :CallingRemoveis the same as callingDeleteand then callingAcceptChanges. DataTable.Rows[i].Delete():A deleted row can be undeleted by invokingRejectCh...
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In caso contrario, il Find metodo viene usato per trovare la riga specifica e il Remove metodo viene quindi usato per rimuovere la riga. VB Copia Private Sub RemoveFoundRow(ByVal table As DataTable) Dim rowCollection As DataRowCollection = table.Rows ' Test to see if the collectio...
1.需求 从页面上获得多条记录到DataTable-->从DataTable里删除数据库里已有的记录--》把没有的记录插入到数据库中去。 2.实现思路:获得页面上所有记录,使用foreach循环DataTable把数据库里已有的删除掉,最后更新数据库。(放到DataTable前先判断是否在数据库中存在要好一点,这里只用来学习DataRow的方法) ...
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Datatable删除行的Delete和Remove方法 在C#中,如果要删除DataTable中的某一行,大约有以下几种办法: 1,使用DataTable.Rows.Remove(DataRow),或者DataTable.Rows.RemoveAt(index...Delete()之后需要datatable.AccepteChanges()方法确认完全删除,因为Delete()只是将相应列的状态标志为删除,还可以通过datatable.RejectChange...