Introduction
Visual Studio LightSwitch is a Microsoft tool used for building business applications. There are many controls available in LightSwitch which represent the data but a Modal Window Picker is a special control which represents the your data in a special way. The Modal Window picker has a special feature which provides the user with a strong search and filter capability across a number of different fields in a table.
How To use Modal Window Picker
Step 1 : First of all open Visual Studio LightSwitch->New project->Select LightSwitch->Select LightSwitch application->Write name (ModalWindowPicker)->Ok.
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Step 2 : Click on create new table to create the table.
![Image2.png]()
Step 3 : Create the tables as for example student and course.
![Image3.png]()
![Image4.png]()
Step 4 : Now we will establish a relationship among these tables.
click on relationship->Select name and multiplicity->Ok.
![Image5.png]()
Step 5 : Now we will add a screen. Right-click on screens->Add screen.
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Step 6 : Select new data screen->Select screen data (Student)->Ok.
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Step 7 : In the same manner we will add a new data screen for the course table. Like as in the following image.
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Step 8 : Expand course in CreateNewStudent screen->Select Modal Window Picker.
![Image9.png]()
Step 9 : Run application (Press F5). Click on create new course->Write the name of course->Save.
In the same way you can create many courses.
![Image10.png]()
Step 10 : Now click on create new student->Fill data.
When you will click on courses then open a modal window in which you can pick any course then ok and save.
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Step 11 : When you select MCA course from the modal window then your screen will display the student information as in the following image.
![Image13.png]()
Conclusion
So in this article you saw, how to use Modal Window Picker in LightSwitch application.
Some Helpful Resources