DataColumnCollection::CanRemove Method (DataColumn^)
.NET Framework (current version)
Checks whether a specific column can be removed from the collection.
Assembly: System.Data (in System.Data.dll)
Parameters
- column
-
Type:
System.Data::DataColumn^
A DataColumn in the collection.
Return Value
Type: System::Booleantrue if the column can be removed. false if,
The column parameter is null.
The column does not belong to this collection.
The column is part of a relationship.
Another column's expression depends on this column.
The CanRemove method performs several checks before returning a true or false result. This includes the following: whether the column exists, belongs to the table, or is involved in a constraint or relation.
Use the CanRemove method before you try to remove any column from a collection. You can also use the Contains method to determine whether a particular column exists before you try to remove it.
.NET Framework
Available since 1.1
Available since 1.1
Show: