水仙花数protectedvoidButton1_Click(objectsender,EventArgse){intge,shi,bai,number;for(number=100;number<1000;number++){bai=number/100;shi=(number%100)/10;ge=number%10;if(number==bai*bai*bai+shi*shi*shi+ge*ge*ge){this.ListBox1.Items.Add(Convert.ToString(number));}}}
100以内的素数protectedvoidButton2_Click(objectsender,EventArgse){intt,i;for(i=2;i<=100;i++)
{
for(t=2;t
百钱百鸡
protectedvoidButton3_Click(objectsender,EventArgse){intx,y,z;intcount=0;for(x=0;x<=20;x++){
for(y=0;y<=33;y++){z=100-x-y;if((x*15+y*9+z)==300){count++;ListBox3.Items.Add("公鸡:"+x+";"+"母鸡:"+y+";"+"小鸡:"+z);}}}}
CookiespublicpartialclassDefault2:System.Web.UI.Page{protectedvoidPage_Load(objectsender,EventArgse){if(Request.Cookies["Name"]!=null){this.Label1.Text=Request.Cookies["Name"].Value.ToString();
}}protectedvoidButton1_Click(objectsender,EventArgse){Response.Cookies["Name"].Value="joan";if(Request.Cookies["Name"]!=null){Label1.Text=Request.Cookies["Name"].Value;
Response.Cookies["Name"].Expires=DateTime.Now.AddDays(1);}}}ApplicationprotectedvoidButton1_Click(objectsender,EventArgse){if(TextBox1.Text=="abcd"&;TextBox2.Text=="1234"){Application["infor"]=TextBox1.Text;
Response.Redirect("Default3.aspx");}
}Default3protectedvoidPage_Load(objectsender,EventArgse){if(Application["infor"]!=null){Label1.Text=Application["infor"]+"你的成绩是90分";
}else{Label1.Text="你是不合法用户,请重新登录";}
}
DropdownList、Listbox、Calendar、DropdownList、Listbox、Calendar、AdRotator
protectedvoidButton1_Click(objectsender,EventArgse){
if(Calendar1.Visible==true)Calendar1.Visible=false;
elseCalendar1.Visible=true;}上下级联动(DropdownList)上下级联动(DropdownList)protectedvoidDropDownList1_SelectedIndexChanged(objectsender,EventArgse){if(DropDownList1.SelectedItem.Text.Equals("广州市")){DropDownList2.Items.Clear();DropDownList2.Items.Add("天河区");DropDownList2.Items.Add("白云区");DropDownList2.Items.Add("越秀区");}elseif(DropDownList1.SelectedItem.Text.Equals("佛山市")){DropDownList2.Items.Clear();DropDownList2.Items.Add("南海区");DropDownList2.Items.Add("顺德区");DropDownList2.Items.Add("禅城区");
}elseif(DropDownList1.SelectedItem.Text.Equals("茂名市")){DropDownList2.Items.Clear();DropDownList2.Items.Add("高州");DropDownList2.Items.Add("电白");DropDownList2.Items.Add("茂南区");}}