我在C#中进行测验,并随机询问我的问题.问题是我只想在每种情况下去一次.我怎样才能做到这一点?
谢谢你的回答.
Random rdmNb = new Random();
int rdm1 = rdmNb.Next(1, 11);
switch (rdm1)
{
case 1:
lblQuesttion.Text = strQ1;
break;
case 2:
lblQuesttion.Text = strQ2;
break;
case 3:
lblQuesttion.Text = strQ3;
break;
case 4:
lblQuesttion.Text = strQ4;
break;
case 5:
lblQuesttion.Text = strQ5;
break;
case 6:
lblQuesttion.Text = strQ6;
break;
case 7:
lblQuesttion.Text = strQ7;
break;
case 8:
lblQuesttion.Text = strQ8;
break;
case 9:
lblQuesttion.Text = strQ9;
break;
case 10:
lblQuesttion.Text = strQ10;
break;
}
Run Code Online (Sandbox Code Playgroud) 我正在为此制作一个CSV转换器,我需要用";"替换我的字符串的所有空格.我试过了:
string content = tbxArret.Text;
string path = @"C:\Users\DanyWin\Desktop\CsvOutput\test.csv";
string[] space = new string[] { " " };
foreach (string contenu in content.Split(space, StringSplitOptions.RemoveEmptyEntries))
{
content.Replace(" ", ";");
File.WriteAllText(path, content);
}
Run Code Online (Sandbox Code Playgroud)
但它没有用.CSV文件中的文本只是我放在内容中的副本.
示例:a string abc ="a b c ";应返回"a; b; c;".
有帮助吗?:)