DataSourceControl.IListSource.ContainsListCollection Property
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.
Indicates whether the data source control is associated with one or more lists of data.
property bool System::ComponentModel::IListSource::ContainsListCollection { bool get(); };
bool System.ComponentModel.IListSource.ContainsListCollection { get; }
member this.System.ComponentModel.IListSource.ContainsListCollection : bool
ReadOnly Property ContainsListCollection As Boolean Implements IListSource.ContainsListCollection
Property Value
true
if the DataSourceControl is associated with one or more DataSourceView objects; otherwise, false
.
Implements
Remarks
This property is used to determine whether the current object can be used as a source of one or more lists of data. Data source controls encapsulate their lists of data as DataSourceView objects; therefore, when associated with one or more DataSourceView objects, a DataSourceControl control represents a list source object and the property returns true
.
This property calls the static ListSourceHelper.ContainsListCollection method to determine whether the current data source control can be used as a source of data. The ListSourceHelper class determines whether the GetViewNames method returns a valid collection of view names. If it does, this property returns true
. If GetViewNames returns null
, which is the default implementation of the DataSourceControl class, the method returns false
.
Applies to
See also
反馈
https://aka.ms/ContentUserFeedback。
即将发布:在整个 2024 年,我们将逐步淘汰作为内容反馈机制的“GitHub 问题”,并将其取代为新的反馈系统。 有关详细信息,请参阅:提交和查看相关反馈