1. Searching Your Database
Lesson 10
Searching Your Database

2. Dynamic Searches via a web page
Searching a database is quite common when using a database
The Code Builders once again will be used to create the necessary code you’ll need to make this happen
Create a new ASP.Net file and call it FindActress

3. Select Code Builder Click on Code
Left Click over Select Data Method and drag it over your workspace
Click the down arrow to the right of Database:
Select the Movies Database, click Ok

4. Construct A Select Query
Click on the following:
MovieName
Actress
Director

5. Where Clause Builder Click on Actress
Locate Operator- Click the down arrow and select like
Locate Filter-
Click Ok

6. Here’s what you have

7. Test Query Click Next Click Test Query Type Jill St. John
Does the Query work?

8. Creating A Method Type FindByActress to create this method
Click Finish

9. Using FindByActress Method
Click on Design View
Type Bond Actresses on the workspace
Drag a TextBox from the Web Control Toolbox and place it to the right of Bond Actresses
Drag a button and place it to the right of your TextBox
Drag a DataGrid and place it on the workspace
Click on Layout from the Menu Bar and click on Absolute Position and move the DataGrid to the middle of your workspace

10. Finished Design View

11. Tying It All Together Double click the button to create a Click event
This code will use the FindByActress method that was created so that when you click the button the user will type in the Bond Actress and the Movies Database will then locate that record and create the table on the web page

12. Type the code in white
Sub Button1_Click(sender As Object, e As EventArgs)
Dim sActress As String = TextBox1.Text
DataGrid1.DataSource = FindByActress(sActress)
DataGrid1.DataBind()
End Sub

13. Read To Test? Click Save to save the file
Press F5 and load the browser software to view
Type Jill St. John in the Textbox and click the button

14. Modifying The Web Page
Your page looks kind of boring so let’s dress it up with some changes.
Click on the DataGrid
Go to AutoFormat which is below the Property on the right bottom
Select Colorful5
Change the Font to Georgia and the size to 5

15. More changes
Highlight Find Actresses and change the font size to 5 and Go to Format and change the Foreground color to Red
Click the button and look at the Properties
Change the Fore Color to red and the Back Color to yellow
Change the Text to Go
Press F5 to see your changes

16. Change the colors if you don’t like them