sum of numbers from 1 to 100

int Total=0;
for(i=1;i<=100;i++)
{
    Total=Total+i;
}
Response.Write("Total = "+Total.ToString());

int i=1;
int total=0;
while(i<=100)
{
     total=total+i;
     i++;
}
response.write("Ans :"+total.ToString());