problem with postback

[Harry]

Hi,

This aspx page (let's call it thispage.aspx) fetches data from a
sqldatasource, then performs several things (in code-behind) and, to
simplify, passes data from code-behind via a hiddenfield to a javascript in
the aspx file. This javascript performs things and finally send data via a
form to another database.

My problem is that when the page is postback (with this java-line:
document.getEle mentById("ins") .action="thispa ge.aspx"), instead of
performing the code after "If Page.IsPostBack Then", it shows the original
aspx file again.

Any idea what i have to change to do what i want to do?
Thanks
Harry
aspx file:
-------
<form id="form1" runat="server">
<asp:SqlDataSou rce ID="SqlDataSour ce1" runat="server"
ConnectionStrin g="Provider = ... ; Data Source =...;">
</asp:SqlDataSour ce>
<asp:HiddenFiel d ID="HiddenField 1" runat="server" />
</form>

<form id="ins" style="width:75 0px;background-color:Gray" method="post">
<input id="sql" name="sql" type="hidden" />
<input id="conn" name="conn" type="hidden" />
<input runat="server" id="Submit1" type="button" value="Klik hier om
te bewaren" onclick="sendto db()"/>
</form>

<script language="javas cript" type="text/javascript">

function sendtodb()
{
var nfieldout=docum ent.getElementB yId("hiddenfiel d1").value
......
......
document.getEle mentById("sql") .value=inscomm
document.getEle mentById("conn" ).value=conn
document.getEle mentById("ins") .action="thispa ge.aspx"
document.getEle mentById("ins") .submit()
return true;
</script>
code-behind
-----------
Protected Sub Page_Load(ByVal sender As Object, ByVal e As
System.EventArg s) Handles Me.Load
If Page.IsPostBack Then
Dim conn, sql
sql = Request.Form("s ql")
conn = Request.Form("c onn")
Dim oConnection As OleDbConnection
Dim sConnection As String
oConnection = New OleDbConnection ()
Dim comd As OleDbCommand
sConnection = conn
oConnection.Con nectionString = sConnection
oConnection.Ope n()
comd = New OleDbCommand(sq l, oConnection)
comd.ExecuteNon Query()
oConnection.Clo se()
else
HiddenField1.Va lue = "1"
.......
.......
end if
end sub

[=?Utf-8?B?UGV0ZXIgQnJvbWJlcmcgW0MjIE1WUF0=?=]

Harry,
From what you have written, it *sounds* like what you want to do is a
cross-page postback. Look up the term "cross-page postback" and you will find
examples and description of how to use.
Peter

--
Site: http://www.eggheadcafe.com
UnBlog: http://petesbloggerama.blogspot.com
Short urls & more: http://ittyurl.net


"Harry" wrote:

Hi,

This aspx page (let's call it thispage.aspx) fetches data from a
sqldatasource, then performs several things (in code-behind) and, to
simplify, passes data from code-behind via a hiddenfield to a javascript in
the aspx file. This javascript performs things and finally send data via a
form to another database.

My problem is that when the page is postback (with this java-line:
document.getEle mentById("ins") .action="thispa ge.aspx"), instead of
performing the code after "If Page.IsPostBack Then", it shows the original
aspx file again.

Any idea what i have to change to do what i want to do?
Thanks
Harry
aspx file:
-------
<form id="form1" runat="server">
<asp:SqlDataSou rce ID="SqlDataSour ce1" runat="server"
ConnectionStrin g="Provider = ... ; Data Source =...;">
</asp:SqlDataSour ce>
<asp:HiddenFiel d ID="HiddenField 1" runat="server" />
</form>

<form id="ins" style="width:75 0px;background-color:Gray" method="post">
<input id="sql" name="sql" type="hidden" />
<input id="conn" name="conn" type="hidden" />
<input runat="server" id="Submit1" type="button" value="Klik hier om
te bewaren" onclick="sendto db()"/>
</form>

<script language="javas cript" type="text/javascript">

function sendtodb()
{
var nfieldout=docum ent.getElementB yId("hiddenfiel d1").value
......
......
document.getEle mentById("sql") .value=inscomm
document.getEle mentById("conn" ).value=conn
document.getEle mentById("ins") .action="thispa ge.aspx"
document.getEle mentById("ins") .submit()
return true;
</script>
code-behind
-----------
Protected Sub Page_Load(ByVal sender As Object, ByVal e As
System.EventArg s) Handles Me.Load
If Page.IsPostBack Then
Dim conn, sql
sql = Request.Form("s ql")
conn = Request.Form("c onn")
Dim oConnection As OleDbConnection
Dim sConnection As String
oConnection = New OleDbConnection ()
Dim comd As OleDbCommand
sConnection = conn
oConnection.Con nectionString = sConnection
oConnection.Ope n()
comd = New OleDbCommand(sq l, oConnection)
comd.ExecuteNon Query()
oConnection.Clo se()
else
HiddenField1.Va lue = "1"
.......
.......
end if
end sub

[Harry]

Peter, thanks for replying.

Maybe my explanation was not good, but i don't think it's cross-page
postback, since the 'action' method in javascript of the form
(document.getEl ementByI("ins") .action="thispa ge.aspx") refers to itself
("thispage.aspx "). The whole code here below is contained in "thispage.a spx"
and "thispage.aspx. vb".
"Peter Bromberg [C# MVP]" <pb*******@yaho o.yabbadabbadoo .comschreef in
bericht news:60******** *************** ***********@mic rosoft.com...

Harry,
From what you have written, it *sounds* like what you want to do is a
cross-page postback. Look up the term "cross-page postback" and you will
find
examples and description of how to use.
Peter

--
Site: http://www.eggheadcafe.com
UnBlog: http://petesbloggerama.blogspot.com
Short urls & more: http://ittyurl.net


"Harry" wrote:

>Hi,

This aspx page (let's call it thispage.aspx) fetches data from a
sqldatasourc e, then performs several things (in code-behind) and, to
simplify, passes data from code-behind via a hiddenfield to a javascript
in
the aspx file. This javascript performs things and finally send data via
a
form to another database.

My problem is that when the page is postback (with this java-line:
document.getEl ementById("ins" ).action="thisp age.aspx"), instead of
performing the code after "If Page.IsPostBack Then", it shows the
original
aspx file again.

Any idea what i have to change to do what i want to do?
Thanks
Harry
aspx file:
-------
<form id="form1" runat="server">
<asp:SqlDataSou rce ID="SqlDataSour ce1" runat="server"
ConnectionStri ng="Provider = ... ; Data Source =...;">
</asp:SqlDataSour ce>
<asp:HiddenFiel d ID="HiddenField 1" runat="server" />
</form>

<form id="ins" style="width:75 0px;background-color:Gray" method="post">
<input id="sql" name="sql" type="hidden" />
<input id="conn" name="conn" type="hidden" />
<input runat="server" id="Submit1" type="button" value="Klik hier
om
te bewaren" onclick="sendto db()"/>
</form>

<script language="javas cript" type="text/javascript">

function sendtodb()
{
var nfieldout=docum ent.getElementB yId("hiddenfiel d1").value
......
......
document.getEl ementById("sql" ).value=inscomm
document.getEl ementById("conn ").value=co nn
document.getEl ementById("ins" ).action="thisp age.aspx"
document.getEl ementById("ins" ).submit()
return true;
</script>
code-behind
-----------
Protected Sub Page_Load(ByVal sender As Object, ByVal e As
System.EventAr gs) Handles Me.Load
If Page.IsPostBack Then
Dim conn, sql
sql = Request.Form("s ql")
conn = Request.Form("c onn")
Dim oConnection As OleDbConnection
Dim sConnection As String
oConnection = New OleDbConnection ()
Dim comd As OleDbCommand
sConnection = conn
oConnection.Con nectionString = sConnection
oConnection.Ope n()
comd = New OleDbCommand(sq l, oConnection)
comd.ExecuteNon Query()
oConnection.Clo se()
else
HiddenField1.V alue = "1"
.......
.......
end if
end sub

[bruce barker]

IsPostBack just checks for the "__Viewstat e" hidden field in the
postback form fields. as you are submitting a different form on the page
then the one containing the viewstate, the viewstate hidden field is not
included in the postback data
-- bruce (sqlwork.com)

Harry wrote:

Peter, thanks for replying.

Maybe my explanation was not good, but i don't think it's cross-page
postback, since the 'action' method in javascript of the form
(document.getEl ementByI("ins") .action="thispa ge.aspx") refers to itself
("thispage.aspx "). The whole code here below is contained in "thispage.a spx"
and "thispage.aspx. vb".
"Peter Bromberg [C# MVP]" <pb*******@yaho o.yabbadabbadoo .comschreef in
bericht news:60******** *************** ***********@mic rosoft.com...

>Harry,
From what you have written, it *sounds* like what you want to do is a
cross-page postback. Look up the term "cross-page postback" and you will
find
examples and description of how to use.
Peter

--
Site: http://www.eggheadcafe.com
UnBlog: http://petesbloggerama.blogspot.com
Short urls & more: http://ittyurl.net


"Harry" wrote:

>>Hi,

This aspx page (let's call it thispage.aspx) fetches data from a
sqldatasource , then performs several things (in code-behind) and, to
simplify, passes data from code-behind via a hiddenfield to a javascript
in
the aspx file. This javascript performs things and finally send data via
a
form to another database.

My problem is that when the page is postback (with this java-line:
document.getE lementById("ins ").action="this page.aspx"), instead of
performing the code after "If Page.IsPostBack Then", it shows the
original
aspx file again.

Any idea what i have to change to do what i want to do?
Thanks
Harry
aspx file:
-------
<form id="form1" runat="server">
<asp:SqlDataSou rce ID="SqlDataSour ce1" runat="server"
ConnectionStr ing="Provider = ... ; Data Source =...;">
</asp:SqlDataSour ce>
<asp:HiddenFiel d ID="HiddenField 1" runat="server" />
</form>

<form id="ins" style="width:75 0px;background-color:Gray" method="post">
<input id="sql" name="sql" type="hidden" />
<input id="conn" name="conn" type="hidden" />
<input runat="server" id="Submit1" type="button" value="Klik hier
om
te bewaren" onclick="sendto db()"/>
</form>

<script language="javas cript" type="text/javascript">

function sendtodb()
{
var nfieldout=docum ent.getElementB yId("hiddenfiel d1").value
......
......
document.getE lementById("sql ").value=inscom m
document.getE lementById("con n").value=co nn
document.getE lementById("ins ").action="this page.aspx"
document.getE lementById("ins ").submit()
return true;
</script>
code-behind
-----------
Protected Sub Page_Load(ByVal sender As Object, ByVal e As
System.EventA rgs) Handles Me.Load
If Page.IsPostBack Then
Dim conn, sql
sql = Request.Form("s ql")
conn = Request.Form("c onn")
Dim oConnection As OleDbConnection
Dim sConnection As String
oConnection = New OleDbConnection ()
Dim comd As OleDbCommand
sConnection = conn
oConnection.Con nectionString = sConnection
oConnection.Ope n()
comd = New OleDbCommand(sq l, oConnection)
comd.ExecuteNon Query()
oConnection.Clo se()
else
HiddenField1. Value = "1"
.......
.......
end if
end sub

[Harry]

Thanks for the explanation.
Now, if you would have a solution in mind for that, it would be great.
"bruce barker" <no****@nospam. comschreef in bericht
news:%2******** ********@TK2MSF TNGP04.phx.gbl. ..

IsPostBack just checks for the "__Viewstat e" hidden field in the postback
form fields. as you are submitting a different form on the page then the
one containing the viewstate, the viewstate hidden field is not included
in the postback data
-- bruce (sqlwork.com)

Harry wrote:

>Peter, thanks for replying.

Maybe my explanation was not good, but i don't think it's cross-page
postback, since the 'action' method in javascript of the form
(document.getE lementByI("ins" ).action="thisp age.aspx") refers to itself
("thispage.asp x"). The whole code here below is contained in
"thispage.aspx " and "thispage.aspx. vb".
"Peter Bromberg [C# MVP]" <pb*******@yaho o.yabbadabbadoo .comschreef in
bericht news:60******** *************** ***********@mic rosoft.com...

>>Harry,
From what you have written, it *sounds* like what you want to do is a
cross-page postback. Look up the term "cross-page postback" and you will
find
examples and description of how to use.
Peter

--
Site: http://www.eggheadcafe.com
UnBlog: http://petesbloggerama.blogspot.com
Short urls & more: http://ittyurl.net


"Harry" wrote:

Hi,

This aspx page (let's call it thispage.aspx) fetches data from a
sqldatasourc e, then performs several things (in code-behind) and, to
simplify, passes data from code-behind via a hiddenfield to a
javascript in
the aspx file. This javascript performs things and finally send data
via a
form to another database.

My problem is that when the page is postback (with this java-line:
document.get ElementById("in s").action="thi spage.aspx"), instead of
performing the code after "If Page.IsPostBack Then", it shows the
original
aspx file again.

Any idea what i have to change to do what i want to do?
Thanks
Harry
aspx file:
-------
<form id="form1" runat="server">
<asp:SqlDataSou rce ID="SqlDataSour ce1" runat="server"
ConnectionSt ring="Provider = ... ; Data Source =...;">
</asp:SqlDataSour ce>
<asp:HiddenFiel d ID="HiddenField 1" runat="server" />
</form>

<form id="ins" style="width:75 0px;background-color:Gray"
method="post ">
<input id="sql" name="sql" type="hidden" />
<input id="conn" name="conn" type="hidden" />
<input runat="server" id="Submit1" type="button" value="Klik hier
om
te bewaren" onclick="sendto db()"/>
</form>

<script language="javas cript" type="text/javascript">

function sendtodb()
{
var nfieldout=docum ent.getElementB yId("hiddenfiel d1").value
......
......
document.get ElementById("sq l").value=insco mm
document.get ElementById("co nn").value=co nn
document.get ElementById("in s").action="thi spage.aspx"
document.get ElementById("in s").submit()
return true;
</script>
code-behind
-----------
Protected Sub Page_Load(ByVal sender As Object, ByVal e As
System.Event Args) Handles Me.Load
If Page.IsPostBack Then
Dim conn, sql
sql = Request.Form("s ql")
conn = Request.Form("c onn")
Dim oConnection As OleDbConnection
Dim sConnection As String
oConnection = New OleDbConnection ()
Dim comd As OleDbCommand
sConnection = conn
oConnection.Con nectionString = sConnection
oConnection.Ope n()
comd = New OleDbCommand(sq l, oConnection)
comd.ExecuteNon Query()
oConnection.Clo se()
else
HiddenField1 .Value = "1"
.......
.......
end if
end sub