C# ASP.NET如何有效地在下拉列表中添加整数
我正在为一个婚姻网站制作个人资料页面。我正在make profile页面中使用这些函数。有没有办法优化这些函数?在ASP.NET页面的页面加载事件中,它们是在非IsPostBack条件下调用的,并且迭代次数太多C# ASP.NET如何有效地在下拉列表中添加整数,c#,asp.net,C#,Asp.net,我正在为一个婚姻网站制作个人资料页面。我正在make profile页面中使用这些函数。有没有办法优化这些函数?在ASP.NET页面的页面加载事件中,它们是在非IsPostBack条件下调用的,并且迭代次数太多 private void LoadTime() { string text = string.Empty; //hour for (int i = 0; i < 12; i++) { t
private void LoadTime()
{
string text = string.Empty;
//hour
for (int i = 0; i < 12; i++)
{
text = (i + 1 < 10) ? "0" + (i + 1).ToString() : (i + 1).ToString();
ListItem li = new ListItem(text, i.ToString());
ddlHour.Items.Add(li);
}
//min
for (int i = 0; i < 60; i++)
{
text = (i < 10) ? "0" + i.ToString() : i.ToString();
ListItem li = new ListItem(text, i.ToString());
ddlMin.Items.Add(li);
}
}
private int loadfromage()
{
int from = (rbtnMale.Checked && !rbtnFemale.Checked) ? 18 : 21;
//from age
for (int i = from; i <= 49; i++)
{
string text = i.ToString();
ListItem li = new ListItem(text, i.ToString());
ddlFromAge.Items.Add(li);
}
return from;
}
private void loadtoage(int fromage)
{
//to age
for (int i = fromage; i <= 50; i++)
{
string text = i.ToString();
ListItem li = new ListItem(text, i.ToString());
ddlToAge.Items.Add(li);
}
}
private void loadfromheight()
{
//from height
for (int i = 4; i <= 7; i++)
{
string text = i.ToString();
ListItem li = new ListItem(text, i.ToString());
ddlppFromHeightFeet.Items.Add(li);
}
for (int i = 0; i <= 11; i++)
{
string text = i.ToString();
ListItem li = new ListItem(text, i.ToString());
ddlppFromHeightInches.Items.Add(li);
}
}
private int feetToInches(int feet, int inches)
{
return (feet * 12) + inches;
}
private void loadtoheight(int inches)
{
int feet = inches / 12;
inches %= 12;
//to height
for (int i = feet; i <= 8; i++)
{
string text = i.ToString();
ListItem li = new ListItem(text, i.ToString());
ddlppToHeightFeet.Items.Add(li);
}
for (int i = inches; i <= 11; i++)
{
string text = i.ToString();
ListItem li = new ListItem(text, i.ToString());
ddlppToHeightInches.Items.Add(li);
}
}
private void LoadTime()
{
string text=string.Empty;
//时辰
对于(int i=0;i<12;i++)
{
text=(i+1<10)?“0”+(i+1).ToString():(i+1).ToString();
ListItem li=新的ListItem(文本,i.ToString());
时间.项目.添加(li);
}
//闵
对于(int i=0;i<60;i++)
{
text=(i<10)?“0”+i.ToString():i.ToString();
ListItem li=新的ListItem(文本,i.ToString());
ddlMin.Items.Add(li);
}
}
私有int loadfromage()
{
int from=(rbtnMale.Checked&!rbtnFemale.Checked)?18:21;
//从古至今
对于(int i=from;iprivate void loadtoage(int fromage)
{
//老化
for(int i=fromage;i
private void loadtoage(int fromage)
{
//to age
for (int i = fromage; i <= 50; i++)
{
string text = i.ToString();// convert i to string just once. you are converting it again in next line. boxing and unboxing is expensive when it comes to performance.
ListItem li = new ListItem(text, i.ToString());//Rather than doing i.ToString() again, you can directly pass text. Its all same.
ddlToAge.Items.Add(li);
}
}