如何仅从组合框项目中获取整数值 [英] How to fetch only integer values from combobox items

问题描述

comboBox1.Items.Add("1秒");
comboBox1.Items.Add("2秒");
已添加到组合框.
1)如果我从组合框选择1秒，则应在文本框中显示1.只要我能做到这一点.

2)另一种基于文本框的文本，例如1如何获取combox项
并显示选定的项目

comboBox1.Items.Add(" 1 second");
comboBox1.Items.Add("2 second");
added to combobox .
1)if i select 1 second from combobox .1 should be displayed in textbox provided how can i do this .

2) Another based on textbox text such as 1 how can i fetch combox items
and display the selected item

推荐答案

许多选项之一:查找正则表达式匹配为[[0-9] +]；阅读System.Text.RegularExpressions.Regex上的帮助以获取说明.

-SA

One of many options: find Regex match of "[0-9]+"; read the help on System.Text.RegularExpressions.Regex for instructions.

—SA

private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
  string[] splitted = comboBox1.Text.Split(' ');
  if (splitted.Length > 1)
    textBox1.Text = splitted[0];
}

private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
textbox1.text=comboBox1.Text.Split('' '')[0];
}

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