winform设置textbox只能输入数字

private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
 {
     if (!(char.IsNumber(e.KeyChar)) && e.KeyChar != (char)8)
     {
         e.Handled = true;
     }
 }
    

参考：https://blog.csdn.net/weixin_43653287/article/details/91350311

标签：Handled,KeyChar,private,char,textBox1,csdn,winform,输入,textbox
来源： https://www.cnblogs.com/masha2017/p/15131671.html