Use a program to create a custom Web Part

Use a program to create custom Web parts. Use VS2010 to create custom Web parts. 1. Open VS2010. new project-blank SharePoint project as an administrator. Name MyFirstWebPart and click OK. 2. deployment as a field solution. 3. Right-click the project to add a new project --- Web Part. Name MyFirstWebPart. 4. view the Web part code file and add the following code: 5. Click F6 to check whether the project is successfully generated. 6. Set the breakpoint and debug it with F5. 7. Deploy after debugging. 8. Add this Web part on the Site Page.
Local Machine
For a button Click event, you only need to enter btnCalcTax. Click + =, and press Tab twice to automatically generate the method framework.