Javascript - How To Convert Object Into Array
May 15, 2012
I have a javascript that returns an array
var docArray = new Array(page, stamprect[0], stamprect[3], stamprect[2], stamprect[1], srot);
return docArray;
[Code]....
im getting error:
Unable to cast object of type 'System.Object[]' to type 'System.Int32[]'.
I dont know how to typecast it to array
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Feb 9, 2011
I have an array list on my server side that i want to use on my client side as an array how can i do this.
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Feb 28, 2009
I am using Linq to convert an array of any object to a CSV list:String.Join(",", (From item In objectArray Select item.ToString()).ToArray())
This is giving me the strange error: "Range variable name cannot match the name of a member of the 'Object' class."I can get round it by wrapping the string in a VB StrConv method, with a setting of "Nothing":String.Join(",", (From item In oArray Select StrConv(item.ToString(), VbStrConv.None)).ToArray())
However, this seems like a bit of a hack and I would like to avoid it.Does anyone have any ideas when this problems occurs, and any better ways to get round it?
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Aug 16, 2010
in my project I use an Excel workbook as template. Right now, this workbook is located in the same directory as the exe-assembly and can be opened and manipulated by the user. To avoid this, I thought about adding the workbook to a ressource. That works. Problem: how can I convert the resulting byte-array/stream back to a workbook-object?I tried like this, but - obviously - the conversion fails:
Public Shared Sub test()
Dim wkb As Excel.Workbook
Dim bytes As Byte() = My.Resources.Template_1
[code]....
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Jul 26, 2009
wrote a procedure that accepts as input a parameter of type decimal, or type Long as well as an array type ar() as Boolean. First thing I will do in the procedure is establish just what type of parameter I received. No problem with the scalar types, I'll use the .GetType,determine whether it's Long of Decimal, and assign the parameter I just received to a variable of that type by using convert.toInt64 or convert.toDecimal, then do what I need to do. Not so if the parameter I received happens to be an array. .GetType will tell me what it is, for example returns "system.int64[]" if its an array of Longs, but then I fail to assign it to a variable for further processing as there appears to be no conversion method to do that.
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Feb 9, 2012
I have a problem here for converting object of array to string of array in my VB.Net code. The object of array is quite long and contains 6 sets of data here.
Dim varReturnResult As Object
Dim varMapData As Object
Dim StrMap() As String
varMapData = varReturnResult(2)
StrMap = Split(varMapData, vbLf)
I encountered this error "Conversion from type 'Object()' to type 'String' is not valid." when trying to retrieve the StrMap value.
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Apr 10, 2009
How do I convert between an image object and Byte Array?
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Jul 18, 2011
I'm pulling data from a D3 database, using an api.
The api can do the following: Dim OBJ As Object = mvsp.MVResultSetGetRows.ToArray()
But how do I get that data into a datatable to use as the datasource for a DataGridView?
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Sep 13, 2011
in converting the folowing javascript syntax into visual basic one.
if (!event.willCommit) {
var f = this.getField("dept");
f.clearItems();
[Code]...
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Aug 16, 2011
I'm not exactly sure if this is the correct question to be asked but I will tell you what I am attempting. I have an ASCII txt file with product data in it. It does not have headers. I am looking for a way to convert this data into an XML file, however, I want it to parse through one of the txt fields to incorporate a look-up field and modify the data based on that field. Now I could use VB.NET, C# or Javascript. Example provided:
[Code]...
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Nov 23, 2010
I am not able to convert this function to VB code..[code..]
I have the problem to deal with the substring function.
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Aug 31, 2009
Is there a way to convert a DataGridViewRow object to a DataRow object?
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Apr 26, 2012
I am using VB.NET to automate a web form submission using SHDocVw.InternetExplorer. I have navigated to the form, filled in all of the fields successfully, and clicked the update button. By design the web application then opens a JavaScript SubModal window in the center of the screen. It looks like a "floating iframe" for lack of a better description. [code]I need to find a reliable way (i.e Not SendKeys). to get the HTML source of this popup in order to click a button.
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Feb 28, 2012
I am passing a pair of serialized objects into a vb.net webserviceThe first one maps to a known structure, so I am using the structure type in the parameter list of the webservice. The second object may map to one of 6+ structures.A field in the first object will tell me which structure to use for the second object once both objects are passed to the webservice.
a.template = jQuery('#txtTemplate').val();
a.value1 = jQuery('#txtValue1').val();
b.var1 = jQuery('#txtVar1).val();
[code]...
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Jun 11, 2012
I keep getting the 'Object Expected' error within my page script when I click the button.I've debugged using fire-bug and the id passed to the JavaScript method is the correct id and document.getElementById(a) finds the button. The error keeps occurring in the _doPostBack. Can this be caused because the button is inside a modal popup in a gridview cell, and the gridview is inside a update panel. The reason I'm still using the JavaScript is the Post-Back event in the GridView.RowCommand did not occur without this.
The code:
function addAcc(a) {
var btn = document.getElementById(a); //get the button, not necessary but safer
alert(a); //To see the button id
[code]....
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Sep 8, 2009
I want to create a json object in vb.net to send the response back javascript function to do something?
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Apr 5, 2012
I have a JSON object that looks like this.
{
"Errors":{
"err1":[
//* Array of err1 objects
[code]....
PD: I'm currently using Newtonsoft's JSON.Net library.
Public Sub New(ByVal jsonText As String)
Dim jObject As JObject = jObject.Parse(jsonText )
Dim jErrors As JToken = jObject("Errors")
Dim jS = New JsonSerializer()
[code]....
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Jul 19, 2010
In Visual Studio 2008 vb.net i have created a windows forms application containing 2 web references: wr1 and wr2.
wr1 contains a public class "Person" and wr2 also contains a public class "Person". They both have exactly the same properties.
What i would like to achieve is to convert an object of type wr1.person to wr2.person. Something like this:
dim p1 as wr1.person
p1 = wr1.GetPerson(123)
dim p2 as wr2.person
p2 = p1
wr2.AddPerson(p2)
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Jun 22, 2010
A c# class's single dimension byte array contains socket level instrument sensor data as per:
public static byte[] frameData
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Sep 1, 2011
I have a site that dynamically creates two arrays of Lat/Long values based on the stores that the currently logged in user can see. If the user can only see one location then I get an error about array length needing to be a finite integer. When I look at the source I see var ls = new Array(45.056124);is being created on the page dynamically which is what I'm expecting. Except I think it is treating it as if I am trying to set the length of the array instead of set the first element to that value.How do I go about creating an array using the ClientScript.RegisterArray Declarationfunction to hold a single double value using vb.net?
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Feb 20, 2010
I have a site that dynamically creates two arrays of Lat/Long values based on the stores that the currently logged in user can see. If the user can only see one location then I get an error about array length needing to be a finite integer. When I look at the source I see
var ls = new Array(45.056124);
is being created on the page dynamically which is what I'm expecting. Except I think it is treating it as if I am trying to set the length of the array instead of set the first element to that value.How do I go about creating an array using the ClientScript.RegisterArrayDeclaration function to hold a single double value using vb.net?
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Mar 28, 2011
I have "Form Designer" web application, in which I need to post the controls of the new form to an ASP.Net page to insert to DB, each time I create form control. I push it into two dimensional array, when user click save, this array will be serialized and sent to Server Page using Ajax.
Array string After Serialization Looks Like :
[
[
[code].....
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Feb 23, 2011
I am trying to extract data stored in javascript array inside WebBrowser window. Basically I need to wait for scripts to execute (got that one covered) and then somehow get the array.
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Aug 6, 2010
Here is the structure that I have:
Friend Class StandardFormatFile
Friend fileType As String
Friend numberOfSeries As Integer
[code].....
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Jul 8, 2009
I have a webpage that contains an ActiveX object, called object1, and a javascript function, called alertMe(input). I wish that if user clicks on different location on object1, it will call the javascript function. Is it possible to do this? If it's possible, how should I write the calling in the ActiveX object?
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Feb 7, 2009
Well I am trying to make a exe that shows a swf game(Club Penguin). When ever I run the exe and login to the swf game, A Internet Explorer Window pops up and its title has some javascript. After a few minutes the window closes and I get an error:Internet Explorer cannot download.Unspecified error.After this the game runs fine, But if I go to a room or something in the game, It does the same as above. (You might need to play Club Penguin in a Visual Basic Program to see what I mean.)
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Feb 25, 2011
Here's my json:
{"d":{"key1":"value1",
"key2":"value2"}}
Is there any way of accessing the keys and values (in javascript) in this array without knowing what the keys are?
The reason my json is structured like this is that the webmethod that I'm calling via jquery is returning a dictionary. If it's impossible to work with the above, what do I need to change about the way I'm returning the data?
Here's an outline of my webmethod:
<WebMethod()> _
Public Function Foo(ByVal Input As String) As Dictionary(Of String, String)
Dim Results As New Dictionary(Of String, String)
[Code]....
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Sep 8, 2011
I am getting a javascript error when I attempt to click on my calendar control.
The html code is:
<td align="left" style="width:50%;"><asp:Label runat="server" CssClass="TextFontBold" ID="lblStartDate" Text="Start Date:"></asp:Label>
[code].....
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Apr 30, 2012
How i can convert this array to an UNLIMITED range array?
[Code]...
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Apr 20, 2011
Im trying to pass a array as a argument to a Javascript function from code behind(vb.net)
Code im trying
[code].....
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