VB.NET - column_name 和 column_name2 在 column_name2（日期）和 column_name2（日期）之间

Question

所以，我尝试获取 UID.Text 并尝试显示时间。 我想尝试在uid.text = uid timein >= yyyy-MM-dd and timein <= yyyy-MM-dd 请参阅下图，以便您看到代码和错误。

MySqlConn = New MySqlConnection
    MySqlConn.ConnectionString = "Server=localhost; uid=xx; pwd=xx; database=studentdatabase; Convert Zero Datetime=True;"
    Dim Adapter As New MySqlDataAdapter
    Dim BSource As New BindingSource
    Dim DT As New DataTable
Try
    MySqlConn.Open()
    Dim Query As String
    Query = "Select TimeIN, TimeOUT from tbl_time where UID =" & TextBox_UID.Text & " between TimeIn = '" & DateTimePicker2.Text & "' And TimeIn ='" & DateTimePicker1.Text & "'"
    MSCommand = New MySqlCommand(Query, MySqlConn)
    Adapter.SelectCommand = MSCommand
    Adapter.Fill(DT)
    BSource.DataSource = (DT)
    DataGridView_Search.DataSource = BSource
    Adapter.Update(DT)
    MySqlConn.Close()
    Catch ex As MySqlException
    MessageBox.Show(ex.Message)
Finally
     MySqlConn.Dispose()
End Try

Answer 1

查询的正确 SQL 语法如下：

select * from tbl_time where uid=uid and timein between date1 and date2

尝试使用此代码：

Query = "Select TimeIN, TimeOUT from tbl_time where UID =" & TextBox_UID.Text & " TimeIn between '" & DateTimePicker2.Text & "' And '" & DateTimePicker1.Text & "'"