this.setall("alignment",2,"column")&&内容居中
this.setall("alignment",2,"header")&&表头居中
this.setall("resizable",.f.,"column")&&禁止调整宽度
this.setall("movable",.f.,"column")&&禁止调整列前后
this.rowheight=28
this.Columns(1).backcolor=RGB(247,247,247)
this.Columns(1).width=290
this.Columns(2).width=30
this.Columns(3).width=30
this.Columns(4).width=30
this.Columns(5).width=30
this.Columns(6).width=30
this.Columns(7).width=30
this.Columns(8).width=30
this.Columns(9).width=30
this.Columns(10).width=30
this.Columns(11).width=30
this.Columns(12).width=30
this.Columns(13).width=30
this.Columns(14).width=30
this.Columns(15).width=30
this.Columns(16).width=30
this.Columns(17).width=30
this.Columns(18).width=30
this.Columns(19).width=30
this.Columns(20).width=30
this.Columns(21).width=30
this.Columns(22).width=30
this.Columns(23).width=30
this.Columns(24).width=30
this.Columns(25).width=30

有多少列就写多少列，不存在列的代码删除。

可以先看看ColumnCount是什么，这个就是Columns的元素数目。

我终于弄清楚，是怎么回事了，上代码
thisform.pageframe1.page1.pageframe1.page1.grid2.setall("alignment",2,"column")&&内容居中
thisform.pageframe1.page1.pageframe1.page1.grid2.setall("alignment",2,"header")&&表头居中
thisform.pageframe1.page1.pageframe1.page1.grid2.setall("resizable",.f.,"column")&&禁止调整宽度
thisform.pageframe1.page1.pageframe1.page1.grid2.setall("movable",.f.,"column")&&禁止调整列前后
thisform.pageframe1.page1.pageframe1.page1.grid2.rowheight=28
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(1).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(2).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(3).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(4).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(5).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(6).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(7).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(8).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(9).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(10).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(11).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(12).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(13).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(14).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(15).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(16).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(17).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(18).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(19).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(20).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(21).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(22).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(23).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(24).backcolor=RGB(247,247,247)
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(25).backcolor=RGB(247,247,247)


thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(1).width=290
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(2).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(3).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(4).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(5).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(6).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(7).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(8).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(9).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(10).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(11).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(12).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(13).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(14).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(15).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(16).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(17).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(18).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(19).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(20).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(21).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(22).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(23).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(24).width=30
thisform.pageframe1.page1.pageframe1.page1.grid2.Columns(25).width=30
我把这段代码放在了查询按钮里面，就没有问题了，可能是，表格不存在，还没有生成表格前，表格的init里面当然不存在，columns,所以会报错！

简化一下代码吧，增强可读性，看得眼花