1
/// <summary>
2
/// 保存div与页面滚动条的位置
3 /// </summary>
9
/// <param name="divId">DIV的ID数组</param>
10
public
static
void RetainScrollPosition(
string[] divId)
11
{
12
13 System.Web.UI.Page page=(Page)HttpContext.Current.Handler;
14
15 string saveScrollPosition = "";
16 string setScrollPosition = "";
17
18 string saveScrollPositionDiv = "";
19 string setScrollPositionDiv = "";
20
21
#region 保存页面滚动条的状态
22 page.RegisterHiddenField("__SCROLLPOS_TOP","0");
23 page.RegisterHiddenField("__SCROLLPOS_LEFT","0");
24
25 saveScrollPosition = "document.forms[0].__SCROLLPOS_TOP.value = {0}.scrollTop;document.forms[0].__SCROLLPOS_LEFT.value = {0}.scrollLeft;";//}{0}.onscroll=saveScrollPosition;</script>";
26 setScrollPosition = "{0}.scrollTop ='{1}';{0}.scrollLeft ='{2}';";//}{0}.onload=setScrollPosition;</script>";
27
28 saveScrollPosition = string.Format(saveScrollPosition,"window.document.body");
29 setScrollPosition = string.Format(setScrollPosition,"window.document.body", page.Request.Form["__SCROLLPOS_TOP"],page.Request.Form["__SCROLLPOS_LEFT"]);
30
#endregion
31
32 #region 保存divId的位置
33 for (int i = 0; i < divId.Length; i++)
34 {
35 page.RegisterHiddenField(divId[i].ToString() + "_TOP","0");
36 page.RegisterHiddenField(divId[i].ToString() + "_LEFT","0");
37
38 saveScrollPositionDiv = "<script language='javascript'>function saveScrollPosition" + divId[i].ToString() + "() {{document.all('" + divId[i].ToString() + "_TOP').value = {0}.scrollTop;document.all('" + divId[i].ToString() + "_LEFT').value = {0}.scrollLeft;}}{0}.onscroll=saveScrollPosition" + divId[i].ToString() + ";</script>";
39 setScrollPositionDiv += "{0}.scrollTop = {1};{0}.scrollLeft = {2};";
40
41 saveScrollPositionDiv = string.Format(saveScrollPositionDiv,"window.document.all('" + divId[i].ToString() + "')");
42 page.RegisterStartupScript("saveScroll" + divId[i].ToString(), saveScrollPositionDiv);
43
44 setScrollPositionDiv = string.Format(setScrollPositionDiv,"window.document.all('" + divId[i].ToString() + "')", page.Request.Form[divId[i].ToString() + "_TOP"],page.Request.Form[divId[i].ToString() + "_LEFT"]);
45 }
46 #endregion
47
48 #region 注册客户端脚本
49 saveScrollPosition = "<script language='javascript'>function saveScrollPosition() {{" + saveScrollPosition + "}}{0}.onscroll=saveScrollPosition;</script>";
50 page.RegisterStartupScript("saveScroll", string.Format(saveScrollPosition,"window.document.body"));
51
52 if(page.IsPostBack)
53 {
54 setScrollPosition = "<script language='javascript'>function setScrollPosition() {{" + setScrollPosition + setScrollPositionDiv + "}}{0}.onload=setScrollPosition;</script>";
55 page.RegisterStartupScript("setScroll", string.Format(setScrollPosition,"window.document.body"));
56 //page.RegisterStartupScript("setScrollDocument", string.Format(setScrollPosition,"window.document.body", page.Request.Form["__SCROLLPOS_TOP"],page.Request.Form["__SCROLLPOS_LEFT"]));
57 }
58 #endregion
59
60 }
/// <summary>2
/// 保存div与页面滚动条的位置3
/// </summary>9
/// <param name="divId">DIV的ID数组</param>
10
public
static
void RetainScrollPosition(
string[] divId)
11
{
12
13
System.Web.UI.Page page=(Page)HttpContext.Current.Handler;14
15
string saveScrollPosition = "";16
string setScrollPosition = "";17
18
string saveScrollPositionDiv = "";19
string setScrollPositionDiv = "";20
21
#region 保存页面滚动条的状态22
page.RegisterHiddenField("__SCROLLPOS_TOP","0");23
page.RegisterHiddenField("__SCROLLPOS_LEFT","0");24
25
saveScrollPosition = "document.forms[0].__SCROLLPOS_TOP.value = {0}.scrollTop;document.forms[0].__SCROLLPOS_LEFT.value = {0}.scrollLeft;";//}{0}.onscroll=saveScrollPosition;</script>";26
setScrollPosition = "{0}.scrollTop ='{1}';{0}.scrollLeft ='{2}';";//}{0}.onload=setScrollPosition;</script>";27
28
saveScrollPosition = string.Format(saveScrollPosition,"window.document.body");29
setScrollPosition = string.Format(setScrollPosition,"window.document.body", page.Request.Form["__SCROLLPOS_TOP"],page.Request.Form["__SCROLLPOS_LEFT"]);30
#endregion31
32
#region 保存divId的位置33
for (int i = 0; i < divId.Length; i++)34
{35
page.RegisterHiddenField(divId[i].ToString() + "_TOP","0");36
page.RegisterHiddenField(divId[i].ToString() + "_LEFT","0");37
38
saveScrollPositionDiv = "<script language='javascript'>function saveScrollPosition" + divId[i].ToString() + "() {{document.all('" + divId[i].ToString() + "_TOP').value = {0}.scrollTop;document.all('" + divId[i].ToString() + "_LEFT').value = {0}.scrollLeft;}}{0}.onscroll=saveScrollPosition" + divId[i].ToString() + ";</script>";39
setScrollPositionDiv += "{0}.scrollTop = {1};{0}.scrollLeft = {2};";40
41
saveScrollPositionDiv = string.Format(saveScrollPositionDiv,"window.document.all('" + divId[i].ToString() + "')");42
page.RegisterStartupScript("saveScroll" + divId[i].ToString(), saveScrollPositionDiv);43
44
setScrollPositionDiv = string.Format(setScrollPositionDiv,"window.document.all('" + divId[i].ToString() + "')", page.Request.Form[divId[i].ToString() + "_TOP"],page.Request.Form[divId[i].ToString() + "_LEFT"]);45
}46
#endregion47
48
#region 注册客户端脚本49
saveScrollPosition = "<script language='javascript'>function saveScrollPosition() {{" + saveScrollPosition + "}}{0}.onscroll=saveScrollPosition;</script>";50
page.RegisterStartupScript("saveScroll", string.Format(saveScrollPosition,"window.document.body"));51
52
if(page.IsPostBack)53
{54
setScrollPosition = "<script language='javascript'>function setScrollPosition() {{" + setScrollPosition + setScrollPositionDiv + "}}{0}.onload=setScrollPosition;</script>";55
page.RegisterStartupScript("setScroll", string.Format(setScrollPosition,"window.document.body"));56
//page.RegisterStartupScript("setScrollDocument", string.Format(setScrollPosition,"window.document.body", page.Request.Form["__SCROLLPOS_TOP"],page.Request.Form["__SCROLLPOS_LEFT"]));57
}58
#endregion59
60
}
本文转自高海东博客园博客，原文链接：http://www.cnblogs.com/ghd258/archive/2005/11/07/270441.html，如需转载请自行联系原作者
