DataTable.AcceptChanges 方法

定义

命名空间:

System.Data

程序集:

System.Data.Common.dll

程序集:

System.Data.dll

程序集:

netstandard.dll

提交自上次调用 AcceptChanges() 以来对该表进行的所有更改。

public:
 void AcceptChanges();

public void AcceptChanges ();

member this.AcceptChanges : unit -> unit

Public Sub AcceptChanges ()

示例

以下示例测试每个表的错误。 如果表的错误可以通过将其传递给未定义的函数) 来协调 (， AcceptChanges 则调用;否则 RejectChanges 将调用。

private void AcceptOrReject(DataTable table)
{
    // If there are errors, try to reconcile.
    if(table.HasErrors)
    {
        if(Reconcile(table))
        {
            // Fixed all errors.
            table.AcceptChanges();
        }
        else
        {
            // Couldn'table fix all errors.
            table.RejectChanges();
        }
    }
    else
    {
        // If no errors, AcceptChanges.
        table.AcceptChanges();
    }
}

private bool Reconcile(DataTable thisTable)
{
    foreach(DataRow row in thisTable.Rows)
    {
        //Insert code to try to reconcile error.

        // If there are still errors return immediately
        // since the caller rejects all changes upon error.
        if(row.HasErrors)
            return false;
    }
    return true;
}

Private Sub AcceptOrReject(table As DataTable)
    ' If there are errors, try to reconcile.
        If (table.HasErrors) Then
            If (Reconcile(table)) Then
                ' Fixed all errors.
                table.AcceptChanges()
            Else
                ' Couldn'table fix all errors.
                table.RejectChanges()
            End If
        Else
            ' If no errors, AcceptChanges.
            table.AcceptChanges()
        End If
 End Sub
 
Private Function Reconcile(thisTable As DataTable) As Boolean
    Dim row As DataRow
    For Each row in thisTable.Rows
       'Insert code to try to reconcile error.

       ' If there are still errors return immediately
       ' since the caller rejects all changes upon error.
       If row.HasErrors Then
           Reconcile = False
           Exit Function
       End If
    Next row
    Reconcile = True
 End Function

注解

调用时 AcceptChanges ， DataRow 任何仍处于编辑模式的对象都成功完成其编辑。 还会DataRowState更改：所有Added``Modified行和行都将变为Unchanged行，并Deleted删除行。

AcceptChanges尝试使用DbDataAdapter.Update该方法更新DataSet后，通常会调用DataTable该方法。

另请参阅

• DataTables