Atlas Pinyin initial letter text box automatically completes the source code

net2005+sqlserver2005+AjaxControlToolkit, the database script is under the app_data file.
The function of automatically prompting the text box based on the first letter of Pinyin. Friends who need it can take a look.
You can enter data first and then test. Pay attention to configuring the database and modify the database connection information in default.aspx.cs (two places in total).
Under app_data is the Sql2005 format database