＜%@ Page Language="C#" %＞

＜script runat="server"＞
void Page_Load(Object Source, EventArgs E)
{
int intLimit = 10000;
DateTime startTime;
DateTime endTime;
TimeSpan elapsedTime;
string strSub;
string strWhole = "";

// 首先执行字符串连接操作
startTime = DateTime.Now;
for (int i=0; i ＜ intLimit; i++)
{
strSub = i.ToString();
strWhole = strWhole + " " + strSub;
}
endTime = DateTime.Now;
elapsedTime = endTime - startTime;
lblConcat.Text = elapsedTime.ToString();
// lblConcatString.Text = strWhole;

// 使用stringBuilder类进行同样的操作
startTime = DateTime.Now;
StringBuilder sb = new StringBuilder();
for (int i=0; i ＜ intLimit; i++)
{
strSub = i.ToString();
sb.Append(" ");
sb.Append(strSub);
}
endTime = DateTime.Now;
elapsedTime = endTime - startTime;
lblBuild.Text = elapsedTime.ToString();
// lblBuildString.Text = sb.ToString();
}

＜/script＞

＜html＞
＜body＞
＜form runat="server"＞

＜h1＞String Concatenation Benchmark＜/h1＞

Concatenation:
＜asp:Label
id="lblConcat"
runat="server"/＞

＜br/＞

＜asp:Label
id="lblConcatString"
runat="server"/＞

＜br/＞
＜br/＞

StringBuilder:
＜asp:Label
id="lblBuild"
runat="server"/＞

＜br/＞

＜asp:Label
id="lblBuildString"
runat="server"/＞

＜/form＞
＜/body＞
＜/html＞