Dim ddh As WinForm.ComboBox = e.Form.Controls("ComboBox7")
Dim ddhh As WinForm.ComboBox = e.Form.Controls("ComboBox8")
Dim startdd As WinForm.DateTimePicker = e.Form.Controls("DateTimePicker1")
Dim enddd As WinForm.DateTimePicker = e.Form.Controls("DateTimePicker2")
组合查询有没有代码简单点的写法。datatables("A").loadfilter = ""
我现在做的需要判断好多次,比如ddh.text = ""情况下,ddhh <> "" 然后加载。
我这么写需要把各种情况都要写出了,感觉很不满意。
有没有随便选择每个控件的值,自动去判断其他控件的值是否为空,然后把不为空的值作为条件来查询。