DataColumnCollection Methods
Assembly: System.Data (in System.Data.dll)
| Name | Description | |
|---|---|---|
![]() | Add() | Creates and adds a DataColumn object to the DataColumnCollection. |
![]() | Add(DataColumn^) | Creates and adds the specified DataColumn object to the DataColumnCollection. |
![]() | Add(String^) | Creates and adds a DataColumn object that has the specified name to the DataColumnCollection. |
![]() | Add(String^, Type^) | Creates and adds a DataColumn object that has the specified name and type to the DataColumnCollection. |
![]() | Add(String^, Type^, String^) | Creates and adds a DataColumn object that has the specified name, type, and expression to the DataColumnCollection. |
![]() | AddRange(array<DataColumn^>^) | Copies the elements of the specified DataColumn array to the end of the collection. |
![]() | CanRemove(DataColumn^) | Checks whether a specific column can be removed from the collection. |
![]() | Clear() | Clears the collection of any columns. |
![]() | Contains(String^) | Checks whether the collection contains a column with the specified name. |
![]() | CopyTo(Array^, Int32) | Copies all the elements of the current InternalDataCollectionBase to a one-dimensional Array, starting at the specified InternalDataCollectionBase index.(Inherited from InternalDataCollectionBase.) |
![]() | CopyTo(array<DataColumn^>^, Int32) | Copies the entire collection into an existing array, starting at a specified index within the array. |
![]() | Equals(Object^) | Determines whether the specified object is equal to the current object.(Inherited from Object.) |
![]() | GetEnumerator() | Gets an IEnumerator for the collection.(Inherited from InternalDataCollectionBase.) |
![]() | GetHashCode() | Serves as the default hash function. (Inherited from Object.) |
![]() | GetType() | |
![]() | IndexOf(DataColumn^) | Gets the index of a column specified by name. |
![]() | IndexOf(String^) | Gets the index of the column with the specific name (the name is not case sensitive). |
![]() | Remove(DataColumn^) | Removes the specified DataColumn object from the collection. |
![]() | Remove(String^) | Removes the DataColumn object that has the specified name from the collection. |
![]() | RemoveAt(Int32) | Removes the column at the specified index from the collection. |
![]() | ToString() | Returns a string that represents the current object.(Inherited from Object.) |
| Name | Description | |
|---|---|---|
![]() | AsParallel() | Overloaded. Enables parallelization of a query.(Defined by ParallelEnumerable.) |
![]() | AsQueryable() | Overloaded. Converts an IEnumerable to an IQueryable.(Defined by Queryable.) |
![]() | Cast<TResult>() | Casts the elements of an IEnumerable to the specified type.(Defined by Enumerable.) |
![]() | OfType<TResult>() | Filters the elements of an IEnumerable based on a specified type.(Defined by Enumerable.) |
