这 年 是组合框的示例。我应该怎么做才能没有错误？`
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles save.Click
Dim genderval As String
Dim birthdate As String
birthdate = bday.Value.ToString()
If babae.Checked = True Then
genderval = "Female"
Else
genderval = "Male"
End If
query = "insert into studentinfo(Lastname,Firstname,middlename,birthdate,gender,age,studentyear,username,accountpassword,confirmpassword) values('" & familynem.Text & "','" & givennem.Text & "','" & middlenem.Text & "','" & birthdate & "','" & genderval & "','" & Edaad.Text & "','" *years* "','" & usename.Text & "','" & accpass.Text & "','" & confirmpass.Text & "')"
con.Open()
cmd = New SqlCommand(query, con)
cmd.ExecuteNonQuery()
con.Close()
dataReload()
user.Show()
Me.Hide()
End Sub
End Class
最佳答案
您需要通过它的属性而不是直接访问 ComboBox
使用 Years.Text 或 Years.SelectedValue 而不是 Years
试试这个
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles save.Click
Dim genderval As String
Dim birthdate As String
birthdate = bday.Value.ToString()
If babae.Checked = True Then
genderval = "Female"
Else
genderval = "Male"
End If
query = "insert into studentinfo(Lastname,Firstname,middlename,birthdate,gender,age,studentyear,username,accountpassword,confirmpassword) values('" & familynem.Text & "','" & givennem.Text & "','" & middlenem.Text & "','" & birthdate & "','" & genderval & "','" & Edaad.Text & "','" Years.Text "','" & usename.Text & "','" & accpass.Text & "','" & confirmpass.Text & "')"
con.Open()
cmd = New SqlCommand(query, con)
cmd.ExecuteNonQuery()
con.Close()
dataReload()
user.Show()
Me.Hide()
End Sub
End Class
关于mysql - 运算符在 vb.net 中用于组合框，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/22452508/