I have a variable that gets a value in a js function. I need to get its value as a double into a vb.net variable. I have tried putting the variable into a label then grabbing it from the label in vb.net as shown in the code below:
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i am using this Page.ClientScript.RegisterStartupScript() to call a javascript function from vb code behind , and this works fine with me My question is how can i send variables from the code behind to the javascript function here is what i have tried so far :
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How do I pass a variable difined in .aspx.vb to .aspx. I've tried this in the .aspx.vb:
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'postcode' is not declared. It may be inaccessible due to its protection level. What am I doing wrong?
MotherTongueTxtBox.Attributes.Add("onblur","val_Length(MotherTongueTxtBox.text,"hi friends",Length);")
in the above statement val_length s a javascript function in tat function the first parameter shd b the contents of the text box ,the second parameter s a string type, is the statement correct i think it s wrong can u suggest a correct valid statement
Im trying to pass a array as a argument to a Javascript function from code behind(vb.net)
Code im trying
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I am trying to pass a control's id to a javascript function that adds the value of it (the control which is a textbox) to a listbox but apparently I am not getting it right.
<input type="button" ID="btnAddtoLstBox" value="" title="Add this to the list" onclick="javascript:addToList(document.getElementById(btnAddtoLstBox));"
class="ui-icon ui-icon-refresh ui-corner-all" style="width: 20px; height: 20px; background-position: -64px 80px" />
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I have returned object from signature device and when i make quick watch on it, it told me that its an array of long and when i pass it to web method in my code behind (vb.net) it gives me nothing. note: i'm using an activeX to capture the signature from the device.
this is javascript code :
function OnSave() {
var sign = document.FORM1.SigPlus1.SignatureString;
PageMethods.Save(sign);
}
this is my webmethod:
<WebMethod()> _
Public Shared Function Save(ByVal obj As Object) As String
Dim obj1 As New PFSIGNATURELib.SigniShellSignature
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I have an ASP.NET MVC controller action with the following VB.NET signature:
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If I'm trying to send an Ajax POST in jQuery to the ClosestCities action, what should my request look like? When I use the following code to POST to this action, in the debugger window of VS, position.longitiude and position.latitude are equal to 0.0 (0D):
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I am making my site compatible to all browsers.For that on one page i am selecting the name from dropdownlist and on click of VIEW(button),i want to open a new window .i also want to send the value and text of ddl on new window. all of this i want to do on onClientClick or onClick of button...
for getting the value i hv tried this code:-
input name="button1" type="button" id="btnview" style="cursor:hand" class="Buttons" title="View" value="View" onclick="alert(document.all('<%=ddlScheme.ClientID%>').value);"
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I am using a function that is provided by the maker of an IO device that I'm using and the call for this device turns on and off the 16 ports on the IO device by sending the value true or false to the board. The call is as follows:
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here's the snippet of my code that im trying to solve since last week...
icePayment.aspx If (Left(Request.Form("return_url"), 7) <> "http://") Then
errorInput = errorInput & "Invalid return URL path! <BR>" errorExist = True
Response.Redirect("InvalidUrlError.aspx")
Else
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I have the following code that I want to return to a variable "t" in javascript:
Code behind:
Public Shared Function GetSomeText() As String
Dim result = "This is from code behind"
Return result
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So, how can I make variable "t" get the "result" from Function GetSomeText from code-behind?
Is it posible to get a value from a javascript variable and use it into visual basic code without incrusting value on any control.
View 1 RepliesAs the title states, I have a session variable that is set during a login script with asp.net and vb.net code-behind. Can I call a javascript function when a link is clicked that will destroy that session variable? If it is possible, can I use jQuery to make that process easier?
View 4 RepliesI'm trying to figure out how to edit a javascript variable through the webbrowser. For example, the webbrowser loads a page with a javascript variable in it:
var stop1 = 0; 'That's in the HTML code of the website.
What I want to do is have someway to modify that variable. Just like
stop1 = 1;
How to do this in Visual Basic. Is it possible?
I'm login to the website with WebBrowser1 The source code of the website:[code]
View 4 RepliesI'm using Microsoft Visual Basic 2008 Express Edition. In the little program I'm creating, I added a WebBrowser and a button that will make the WebBrowser navigate to a designated website when clicked. So far, it's fine.
The problem is that I want to be able to get the value of a variable declared in the website's javascript. How do I do this?
The following is a part of the source code of the website.
<script language="javascript">
var contextPath = "/websmsn";
var noSessionPath = "/websmsn
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I want to get the value of "activeMsgSessionId" and store the value in my own variable. The value of "activeMsgSessionId" changes every time the website is loaded.
Dim SecondName As String = SecondNameTxtBox.text()Is the above statement a correct one?Here I want to assign the value of the text box into tat "SecondName".If it's wrong, please tell me the correct way to write this statement.
View 1 Replieshow to pass value from database to a variable.
This is my query:
Dim it As String = "Mouse"
Dim itNo As String
SELECT * FROM tblITEquipmentName WHERE equipmentName LIKE '" & it & "%'"
I would like to get the ItEquipmentNo and pass it to variable itNo
i have 2 forms -> form 1 and form 2
in form 1 -> 1 button
in form 2 -> 1 textbox and 1 button
when I click button in form 1, it will show the form 2..how can i pass the variable (data from textbox in form 2) into a variable in form 1 after clicking the button in form 2 ?
this is the linkbutton
<asp:LinkButton runat="server" ID="linkId" OnClick="doSomething(10)">ID
</asp:LinkButton>
and this is my sub
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I know in VBA you could pass an entire form as a varible. Since using global variables are not advised in .net 2008, is there anyway to do this ?
View 9 RepliesNot sure how to do this sub that passes a variable that is used in a Dim.
fill_in_field("main_form.WebBrowser1")
Sub fill_in_field(ByRef WebBrowser As String)
Dim ElementCollection1 As HtmlElementCollection = WebBrowser.Document.GetElementsByTagName("input")
End Sub
Dim ElementCollection1 As HtmlElementCollection = WebBrowser & "Document.GetElementsByTagName("input")"
This is what I would like.
Dim ElementCollection1 As HtmlElementCollection = main_form.WebBrowser1.Document.GetElementsByTagName("input")
I want to access variables defined in Javascript in.aspx file to .aspx.vb file How can i access variables in .aspx.vb file?
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This is simple javascript I'm using in my .aspx page
now i want to access the variable h m and c in .aspx.vb page how to do that?
How can i use a js variable in mouseOver event?Here is my code:
<script type="text/javascript">
window.String1 = <%=GetLocalResourceStringEscaped("String1")%>;
window.String2 = <%=GetLocalResourceStringEscaped("String2")%>;
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is there a way i can do like this in vb.net
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what i want is that idx keeps incrementing after each line, without incrementing it on a seperate line.
I want to know if it's possible to retrieve the variables name from when it was passed into a certain function. For example, if I call parseId(myId) to a function with the signature parseId(id), i can obviously retrieve the value of 'id'. However, is there any way I can retrieve 'myId' as a string (without passing it as another value)? Specifically in vb.net, but I'm interested in how it would work in any given language.
View 3 RepliesI have a public variable that I declared in form1 of an application. I am trying to call that variable in form2 and then pass that variable in a sql query. If I declare:
Public Class Form1
Public payPeriodStartDate, payPeriodEndDate As Date
How then to I declare that variable in form2 and how to I pass it to my sql query.
Here is the code I have for form1: [Code]
and when I debug this form, no data will appear. I'm sure that it's something wrong with how I'm either calling the variable in form2 or in the query. Can anyone offer any assistance on this?
I have 2 dropdownlists, one is State and the second is City. I am trying to create it so, when a user clicks the State, the second dropdownlist is populated with City names from a datatable.[code]
View 3 Repliespassing a variable to a sub procedure by reference. Not sure I understand how it works. Here is the code.
Private Sub bntcompute_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles bntcompute.Click
Dim x, y As Double
getnumbers(x, y)
displaysum(x, y)
[code]....
Is the newly modified variable actually being Passed back? and If so where in the statement is it passed back. is it being passed back to the call getnumbers or is it passed back to the statement displaysum?