语法错误:“'*1*'”运算符后缺少操作数。 - 专家坐堂 - Foxtable(狐表) - 新一代数据库软件，完美融合Access、Foxpro、Excel、vb.net之优势，人人都能掌握的快速软件开发工具!

老师，请问我在查询按钮中写了查询代码，为什么我在执行的时候会报错
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是不是代码有问题

Dim filter As String

Dim sts() As String = {"物料名称","客户","物料编号","型号规格"}

For Each st As String In sts

Dim val As String = e.Form.Controls(st).value

If val > "" Then

If filter = "" Then

filter = st & "like '*" & val & "*'"

Else

filter = filter & " and " & st & "like '*" & val & "*'"

End If

Tables("物料信息").Filter = filter

主题：语法错误:“'*1*'”运算符后缺少操作数。