Server control events & client scripts

[Reinhold Mannsberger]

Hello!

I have a page with a datagrid, where the user can select
an item. Based on the selection of the user, a xml-file is
generated. Some values of the xml-file should be passed to
an application via javascript.

This is what I have done:

--- the source file ---
private void DataGrid1_SelectedIndexChanged(object sender,
System.EventArgs e)
{
// generate MyDocument.xml
string scriptString = "\n<script language=\"javascript\"
id=\"execCodeJS\">\n" +
"doSomething();\n</script>\n";
if (IsClientScriptBlockRegistered("execCodeJS") == false)
{
this.RegisterClientScriptBlock("execCodeJS",
scriptString);
}
}
------

--- the aspx page ---
<xml id="selectionXML" src="MyDocument.xml" />
<script language="javascript" id="clientEventHandlersJS">
function doSomething()
{
var xmlNode;
xmlNode = selectionXML.XMLDocument.selectSingleNode
("these/and_that"); +
alert(xmlNode.text);
}
</script>
------

Unfortunately this does not work.
---
Error: the data necessary to complete this operation is
not yet available.
---
When clicking a button with onclick="doSomething()", the
problem does not occur, everything works fine.

The user selection in the datagrid triggers an event
function.
---
function __doPostBack(eventTarget, eventArgument)
{
// these and that...
theform.submit(); // -> DataGrid1_SelectedIndexChanged
is called
}
---

The following event function would solve my problem:
---
function __doPostBack(eventTarget, eventArgument)
{
// these and that...
theform.submit(); // -> DataGrid1_SelectedIndexChanged
is called
doSomething(); // calling my code
}
---

But how can I get this done?

I am relatively new into web programming, so if there is
better way for solving my problem, please tell me.


Thanks in advance,

Reinhold

 

[Alvin Bruney [MVP]]

Your post went unanswered. Have you resolved this issue? If you still need
help, please post the original question with your request.

 

[Guest]

No, have not resolved this issue. So I'm reposting my request

I have a page with a datagrid, where the user can select
an item. Based on the selection of the user, a xml-file is
generated. Some values of the xml-file should be passed to
an application via javascript

This is what I have done

--- the source file --
private void DataGrid1_SelectedIndexChanged(object sender,
System.EventArgs e

// generate MyDocument.xm
string scriptString = "\n<script language=\"javascript\"
id=\"execCodeJS\">\n" +
"doSomething();\n</script>\n"
if (IsClientScriptBlockRegistered("execCodeJS") == false

this.RegisterClientScriptBlock("execCodeJS",
scriptString)


-----

--- the aspx page --
<xml id="selectionXML" src="MyDocument.xml" /><script language="javascript" id="clientEventHandlersJS"
function doSomething(

var xmlNode
xmlNode = selectionXML.XMLDocument.selectSingleNode
("these/and_that");
alert(xmlNode.text)

</script
-----

Unfortunately this does not work
--
Error: the data necessary to complete this operation is
not yet available
--
When clicking a button with onclick="doSomething()", the
problem does not occur, everything works fine

The user selection in the datagrid triggers an event
function
--
function __doPostBack(eventTarget, eventArgument)

// these and that..
theform.submit(); // -> DataGrid1_SelectedIndexChanged
is calle

--

The following event function would solve my problem
--
function __doPostBack(eventTarget, eventArgument)

// these and that..
theform.submit(); // -> DataGrid1_SelectedIndexChanged
is calle
doSomething(); // calling my cod

--

But how can I get this done

I am relatively new into web programming, so if there is
better way for solving my problem, please tell me