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ColumnCollection Class

The ColumnCollection class represents a collection of Column objects that represent all the columns defined on a table.

Namespace:  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)

public sealed class ColumnCollection : ParameterCollectionBase

The ColumnCollection type exposes the following members.

  NameDescription
Public propertyCountGets the number of objects in the referenced collection. (Inherited from SmoCollectionBase.)
Public propertyIsSynchronizedGets the Boolean property value that specifies whether access to the collection is synchronized and therefore thread-safe. (Inherited from SmoCollectionBase.)
Public propertyItem[Int32]Gets a Column object in the collection by index number.
Public propertyItem[String]Gets a Column object in the collection by name.
Public propertyParentGets the SqlSmoObject object that is the parent of the ColumnCollection object.
Public propertySyncRootGets an object that can be used to synchronize access to the collection. (Inherited from SmoCollectionBase.)
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  NameDescription
Public methodAdd(Column)Adds a Column object to the ColumnCollection collection.
Public methodAdd(Column, Int32)Adds a Column object to the ColumnCollection collection at a specified position.
Public methodAdd(Column, String)Adds a Column object to the ColumnCollection collection after a specified Column object currently in the ColumnCollection collection.
Protected methodAddExistingAdds an object to the collection. (Inherited from AbstractCollectionBase.)
Protected methodAddImplAdds an object or member to this collection at the specified index. (Inherited from ArrayListCollectionBase.)
Public methodContainsValidates whether the parameter collection contains a member with a name equal to the specified string. (Inherited from ParameterCollectionBase.)
Public methodCopyToCopies the collection objects to a one-dimensional array beginning at the index value specified.
Public methodEquals (Inherited from Object.)
Protected methodFinalize (Inherited from Object.)
Protected methodGetCollectionElementTypeGets the Collection Element Type. (Inherited from SmoCollectionBase.)
Public methodGetEnumeratorReturns an IEnumerator interface that allows you to iterate through the objects in the collection. (Inherited from SmoCollectionBase.)
Public methodGetHashCode (Inherited from Object.)
Protected methodGetItemById(Int32)Extracts a member from the referenced collection using a system-defined, unique identifier. (Inherited from SmoCollectionBase.)
Protected methodGetItemById(Int32, String)Extracts a member from the referenced collection using a system-defined, unique identifier and name. (Inherited from SmoCollectionBase.)
Protected methodGetObjectByIndexExtracts a member from the referenced collection using a system-defined, unique identifier. (Inherited from SmoCollectionBase.)
Public methodGetType (Inherited from Object.)
Protected methodImplAddExistingAdds an object to a collection. (Inherited from ParameterCollectionBase.)
Protected methodInitializeChildCollection()Initializes the child collections of the referenced collection. (Inherited from SmoCollectionBase.)
Protected methodInitializeChildCollection(Boolean)Initializes the child collections of the referenced collection with the option to refresh the properties of the referenced collection. (Inherited from SmoCollectionBase.)
Protected methodInitInnerCollectionInitializes a collection. (Inherited from ParameterCollectionBase.)
Public methodItemByIdExtracts a member from the ColumnCollection collection using a system-defined, unique identifier.
Protected methodMemberwiseClone (Inherited from Object.)
Public methodRefresh()Refreshes the referenced collection. (Inherited from SmoCollectionBase.)
Public methodRefresh(Boolean)Refreshes the referenced collection with the option to refresh child objects of the referenced collection. (Inherited from SmoCollectionBase.)
Public methodRemove(String)Removes a member from the collection with the specified name. (Inherited from ParameterCollectionBase.)
Public methodRemove(Column)Removes a Column object from the ColumnCollection collection.
Public methodToString (Inherited from Object.)
Protected methodValidateParentObjectValidates the parent object exists. (Inherited from SmoCollectionBase.)
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  NameDescription
Protected fieldinitializedThis value supports the SMO infrastructure and is not intended to be used directly from your code. (Inherited from AbstractCollectionBase.)
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  NameDescription
Explicit interface implemetationPrivate methodICollection.CopyToCopies the elements from an instance to an array beginning at the index indicated. (Inherited from SmoCollectionBase.)
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A ColumnCollection object can be used to gain access to a set of columns. You can use the Item property to return a specific Column object.

Thread Safety

Any public static (Shared in Microsoft Visual Basic) members of this type are safe for multithreaded operations. Any instance members are not guaranteed to be thread safe.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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