本文介绍了C# - 如何设置一个ComboBox selectedItem从特定的值?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 我已经填充了ComboBox,我想做的是将其设置为一个特定的selectedItem知道它的值。I have this already populated ComboBox and all I want to do is to set it to a specific selectedItem knowing its value.我试着这个,但没有发生:I'm trying this, but nothing happens:comboPublisher.SelectedValue = livre.Editeur; $ b Considering the fact that I already implemented Equals(..) method in my class Editeur, this way: public bool Equals(IEditeur editeur) { return (this.Nom == editeur.Nom); }这是我填充我的ComboBox:This is how I populate my ComboBox:foreach (Business.IEditeur editeur in _livreManager.GetPublishers()) { comboPublisher.Items.Add(editeur); }有什么想法吗? 谢谢! :这似乎适用于:comboPublisher.SelectedItem = livre.Editeur;我的Equals方法是:My Equals method is: public override bool Equals(object obj) { IEditeur editeur = new Editeur(); if (!(obj is System.DBNull)) { editeur = (IEditeur)obj; return (this.Nom == editeur.Nom); } return false; } 推荐答案 c $ c> DataSources 如果是WinForm / ItemsSource 在WPF的情况下你的cobobox然后你可以正确使用SelectedValue。You need to set DataSources in case of WinForm / ItemsSource in case of WPF to your cobobox then you can use SelectedValue properly. 不要将每个项目直接添加到组合框中,而是创建集合来保存这些项目,然后将它设置为您的DataSource(WinForm)/ ItemsSource(WPF)[Update]Instead of add each item to your combobox directly, you should create collection to hold those items and then set it as your DataSource (WinForm) / ItemsSource (WPF)foreach (Business.IEditeur editeur in _livreManager.GetPublishers()){ //comboPublisher.Items.Add(editeur); list.Add(editeur);}combobox.ItemsSource = editeur;combobox.SelectedValuePath = "value_property_name";combobox.DisplayMemberPath = "display_property_name"; 这篇关于C# - 如何设置一个ComboBox selectedItem从特定的值?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持! 10-26 19:10