运行的时候提示{找不到变量“房主编号 ”}，房主编号是整型的，name=txt房主编号，是表2的，以下是代码：
if this.caption='修改'
    this.caption='保存'
    thisform.Txt编号.enabled=.t.
    thisform.Txt租售.enabled=.t.
    thisform.Txt地址.enabled=.t.
    thisform.Txt面积.enabled=.t.
    thisform.Txt格局.enabled=.t.
    thisform.Txt楼层.enabled=.t.
    thisform.Txt房龄.enabled=.t.
    thisform.Txt光线.enabled=.t.
    thisform.edt备注.enabled=.t.
    thisform.Txt水气.enabled=.t.
    thisform.Txt代理日期.enabled=.t.
    thisform.Txt房主编号.enabled=.t.
    thisform.Txt姓名.enabled=.t.
    thisform.Txt电话.enabled=.t.
    thisform.Txt住址.enabled=.t.
    thisform.Txt房价.enabled=.t.
    thisform.Txt房租.enabled=.t.
    thisform.txt编号.setfocus
    
    
    
    
    
    
else
    repl 编号 with alltrim(thisform.Txt编号.value),;
     地址 with alltrim(thisform.Txt地址.value),面积 with alltrim(thisform.Txt面积.value),;
     格局 with alltrim(thisform.Txt格局.value),楼层 with alltrim(thisform.Txt楼层.value),;
     房龄 with alltrim(thisform.Txt房龄.value),光线 with alltrim(thisform.Txt光线.value),;
     备注 with alltrim(thisform.edt备注.value),水气 with val(thisform.Txt水气.value);
     代理日期 with alltrim(thisform.Txt代理日期.value),租售 with alltrim(thisform.Txt租售.value),;
     房主编号 with alltrim(thisform.Txt房主编号.value),;
     姓名 with alltrim(thisform.Txt姓名.value),电话 with alltrim(thisform.Txt电话.value),;    
     住址 with alltrim(thisform.Txt住址.value),房价 with alltrim(thisform.Txt房价.value),;
     房租 with alltrim(thisform.Txt房租.value)    
    this.caption='修改'
    thisform.Txt编号.enabled=.f.
    thisform.Txt租售.enabled=.f.
    thisform.Txt地址.enabled=.f.
    thisform.Txt面积.enabled=.f.
    thisform.Txt格局.enabled=.f.
    thisform.Txt楼层.enabled=.f.
    thisform.Txt房龄.enabled=.f.
    thisform.Txt光线.enabled=.f.
    thisform.edt备注.enabled=.f.
    thisform.Txt水气.enabled=.f.
    thisform.Txt代理日期.enabled=.f.
    thisform.Txt房主编号.enabled=.f.
    thisform.Txt姓名.enabled=.f.
    thisform.Txt电话.enabled=.f.
    thisform.Txt住址.enabled=.f.
    thisform.Txt房价.enabled=.f.
    thisform.Txt房租.enabled=.f.
    
    
    
    
    
    
endif
请问错误出现在哪里？