我有一个小要求,那就是:
表单上有两个组合框,用于填充员工姓名和角色。我正在填充组合框,如下所示:
我创建了一个名为“DbConnect”的类,其中有 02 个函数:
Public Function getEmployees() As DataTable Dim employeeDS As New DataSet Dim employeeDA As New SqlDataAdapter("prc_emp_list", conn) employeeDA.Fill(employeeDS, "employees") Return employeeDS.Tables("employees") End Function Public Function getRoles() As DataTable Dim roleDS As New DataSet Dim roleDA As New SqlDataAdapter("prc_role_list", conn) roleDA.Fill(roleDS, "roles") Return roleDS.Tables("roles") End Function
设计了一个带有两个组合框的表单,并将数据填充到其中:
Public Sub employees() accessFunction.Open() cboEmployees.DataSource = accessFunction.getEmployees cboEmployees.DisplayMember = "emp_name" cboEmployees.ValueMember = "login_id" End Sub Public Sub roles() accessFunction.Open() cboRoles.DataSource = accessFunction.getRoles cboRoles.DisplayMember = "role_name" cboRoles.ValueMember = "role_id" End Sub Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load employees() roles() End Sub
数据被正确填充到组合框中,我的要求是当我从第一个组合中选择和员工时,他的相应角色应该在第二个组合中被选中。
任何人,请帮我解决这个要求。
问候,
乔治