本文介绍了从文本框中修剪字符的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我想知道什么是最好的方式
我有一个编号为C100000的产品，该产品具有链接到它们的组件
还有编号与组件链接的C200000
如果用户在Prodnum.text中输入产品编号，则其= C100000
我只希望将C100000的项目过滤到下拉列表.
I would like to know what would be the best way for me to go about this
i have a product num C100000 that have components linked to them
Also product num C200000 that have components linked to them
If the user enters a prouduct number into Prodnum.text and its = C100000
i only want the items for C100000 to filter through to the dropdownlist.
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