*頁面間資料傳遞的三種方法*

來源:互聯網
上載者:User

---------------------------------------------------------------------------------------------------

*QueryString pass data*
源頁面:
private void PassData_Click(object sender, System.EventArgs e)
{
 string URL="http:\\localhost\\anotherwebform.aspx?name=" +TextName.Text+ "&email=" +TextEmail.Text;
 Response.Redirect(URL);
}
目標頁面:
private void Page_Load(object sender, System.EventArgs e)
{
  NameText.Text=Request.QueryString["name"];
 EmailText.Text=Request.QueryString["email"];
}
---------------------------------------------------------------------------------------------------

*Session pass data*
源頁面:
private void PassData_Click(object sender, System.EventArgs e)
{
 Session["name"]=TextName.Text;
 Session["phone"]=TextPhone.Text;
 Server.Transfer("anotherwebform.aspx");
}
目標頁面:
private void Page_Load(object sender, System.EventArgs e)
{
 NameText.Text=Session["name"].ToString();
 PhoneText.Text=Session["phone"].ToString();
}
---------------------------------------------------------------------------------------------------

*Server.Transfer pass data*
源頁面WebForm1:
public string name//建立WebForm1傳回值的get屬性過程
{
 get{return TextName.Text}
}
目標頁面WebForm2:
WebForm1 wf1=new WebForm1();//建立WebForm1的對象
wf1=(WebForm1)Context.Handler;//通過Context.Handler來獲得對前一頁面WebForm1的引用
LabelName.Text=wf1.name;
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