在不同控件中保持值的方法

定义全局静态的字符串

    public static string tagg;

    protected void Button1_Click(object sender, EventArgs e)
    {
        if (tagg == "a")
        {
            Button1.Text = "'" + flag + "'";
            tagg = "b";
        }
        else
        {
            Button1.Text = "qw";
        }
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        flag = true;
        tagg = "a";
        Button2.Text = "aniueydianji";
   
    }