如何在另一个组合框中显示组合框的数据？
问题描述：
我在数据库中有两个表，一个是课程表，另一个是class.if我在一个组合框中选择类然后根据类自动其他组合框的主题显示根据类的数据。我是在ado.net工作帮助我
i have two table in database one is course table and the other one is class.if i select the class in one combo box then according to class automatically other combo box of subject show tha data according to the class.and i am working in ado.net help me
答
这里已经回答了类似的问题 -
https://www.codeproject.com/Questions/1077989/How-i-display-data-in -combobox-using-another-combo [ ^ ]
Similar question is already answered here -
https://www.codeproject.com/Questions/1077989/How-i-display-data-in-combobox-using-another-combo[^]