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        获取列表框中所选项目的值作为字符串

        Getting value of selected item in list box as string(获取列表框中所选项目的值作为字符串)
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                  本文介绍了获取列表框中所选项目的值作为字符串的处理方法,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跟版网的小编来一起学习吧!

                  问题描述

                  我正在尝试使用下面的代码获取列表框中所选项目的值,但它总是返回空字符串.

                  I am trying to get the value of the selected item in the listbox using the code below, but it is always returning null string.

                  DataSet ds = searchforPrice(Convert.ToString(listBox1.SelectedItem));
                  

                  这里我试图将所选项目的值作为字符串传递给方法 searchforPrice 以从数据库中检索数据集.

                  Here I am trying to pass the value of selected item as string to method searchforPrice to retrive dataset from the database.

                  如何将所选项目的值检索为字符串?

                  How can i retrive the value of selected item as string?

                  我正在从组合框向列表框添加项目,组合框又从数据库中加载项目.

                  I am adding items to listbox from combo box which in turn loads the items from the database.

                   listBox1.Items.Add(comboBox2.Text);
                  

                  任何人都有答案..

                  推荐答案

                  如果要检索项目的显示文本,请使用 GetItemText方法:

                  If you want to retrieve the display text of the item, use the GetItemText method:

                  string text = listBox1.GetItemText(listBox1.SelectedItem);
                  

                  这篇关于获取列表框中所选项目的值作为字符串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跟版网!

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