DataTableCollection.CanRemove(DataTable) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Verifies whether the specified DataTable object can be removed from the collection.
public:
bool CanRemove(System::Data::DataTable ^ table);
public bool CanRemove (System.Data.DataTable? table);
public bool CanRemove (System.Data.DataTable table);
member this.CanRemove : System.Data.DataTable -> bool
Public Function CanRemove (table As DataTable) As Boolean
Parameters
- table
- DataTable
The DataTable
in the collection to perform the check against.
Returns
true
if the table can be removed; otherwise false
.
Examples
The following example uses the CanRemove to test whether each table can be removed from a DataSet. If so, the Remove method is called to remove the table.
private void RemoveTables()
{
DataTable table;
// presuming a DataGrid is displaying more than one table, get its DataSet.
DataSet thisDataSet = (DataSet)DataGrid1.DataSource;
while (thisDataSet.Tables.Count > 0)
{
table = thisDataSet.Tables[0];
if (thisDataSet.Tables.CanRemove(table))
thisDataSet.Tables.Remove(table);
}
}
Private Sub RemoveTables()
' Presuming a DataGrid is displaying more than one table,
' get its DataSet.
Dim thisDataSet As DataSet = CType(DataGrid1.DataSource, DataSet)
Do While thisDataSet.Tables.Count > 0
Dim table As DataTable = thisDataSet.Tables(0)
If thisDataSet.Tables.CanRemove(table) Then
thisDataSet.Tables.Remove(table)
End If
Loop
End Sub
Applies to
See also
ทํางานร่วมกับเราใน GitHub
แหล่งที่มาสำหรับเนื้อหานี้สามารถพบได้บน GitHub ซึ่งคุณยังสามารถสร้างและตรวจสอบปัญหาและคำขอดึงข้อมูลได้ สำหรับข้อมูลเพิ่มเติม ให้ดูคู่มือผู้สนับสนุนของเรา