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EHlib的问题——如何在GridEh的下拉框中显示多列?~~(研究了一个星期了) Delphi / VCL组件开发及应用 - CSDN社区 community.csdn.net on 2008-04-22
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这个我刚研究过!
1.首先在DBGRIDEH对应的ADOQUERY1中添加一个字段比如叫LOOK,Fieldtype 选择 lookup类型!keyfield,dataset,lookupkeys,resultfield,分别选择adoquery1中的一个字段a,另一个数据集adoquery2,adoquery2中与a匹配的字段b,需要返回的字段如name!
2.在dbgrideh中显示look字段并作如下设置:
look字段的lookupdispalyfield改为name;price;amout 等adoquery2中需要显示的字段以分号隔开!dropdownbox属性里的columns里添加所有字段,就是你要以dbgrid形式显示的下拉字段,最后别忘了设置dropdownwidth =-1;才能使多个显示字段的宽度利于浏览!
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