How to: Add, Remove, and Modify a Query
A query provides information to screens in your application. A query can also provide information to any custom business logic that you add to the application. You can add, remove or modify queries. For more information, see Queries: Retrieving Information from a Data Source.
To add a query
In Solution Explorer, expand the Data Sources node, expand the desired data source node, and then double-click an entity or table (For example: Contact).
The data designer opens.
On the Command Bar of the Data Designer, click Query.
A node that represents the query is added to Solution Explorer and the query opens in the Query Designer.
To remove a query
In Solution Explorer, expand the Data Sources node, expand the desired data source node, and then expand the appropriate entity or table (For example: Contact).
Right-click the query that you want to remove, and then click Delete.
To modify a query
In Solution Explorer, expand the Data Sources node, expand the desired data source node, and then expand the appropriate entity or table (For example: Contact).
Queries appear beneath the node that you expand.
Perform either of the following tasks to modify the query:
To rename a query, right-click the query, and then click Rename.
To change the contents of a query, double-click the query.
The query opens in the Query Designer.
Next Steps
To learn how to change the contents of a query, see How to: Design a Query by Using the Query Designer.
To learn how to modify a query in ways that go beyond the capabilities of the query designer, see How to: Extend a Query by Using Code.
To learn more about how to use a query to provide information to a screen, see How to: Filter Data on a Screen.