.net - Implementing MS Charts In ASP.NET MVC3 Project?

Nov 16, 2011

I have a MVC application, which creates a Chart in the business logic like this:

StatisticsModel.Chart.Width = 150
StatisticsModel.Chart.Height = 300
StatisticsModel.Chart.Attributes.Add("align", "left")
StatisticsModel.Chart.Titles.Add("Statistics for: " + StatisticsModel.ProductNumbers)
StatisticsModel.Chart.ChartAreas.Add(New ChartArea)

[Code]...

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Mvc 3 - MVC3 Razor View Project Gives Syntax Error In Error List Window For All VBhtml Pages?

Feb 22, 2011

Using MVC3 and Razor View engine, I created a VB.NET web application in VS 2010. This creates the default Account and Home Controller along with corresponding Action Views.Now if I open any vbhtml file I get the following error message in the Error List window.

Error 50 Syntax error. C:****MVC3AppVBViewsAccountLogOn.vbhtml MVC3AppVB
(See screenshot here http://www.flickr.com/photos/7672540@N07/5469248676/)

[code].....

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How To Auto-insert A Code Snippet When Implementing Interface Like When Implementing IDisposable

Aug 10, 2010

Is it possible to automatically insert a Code Snippet when an interface is implemented? If so, how do you do it? I am looking for something similar to when you implement IDispoable in VB.[code]This will be used by web forms when transfering parameters from one page to the next using Server.Transfer

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ASP.NET MVC3 - Append A Dot To The Code?

Apr 16, 2011

With the MVC3 Razor synax, one may render a string like so

@ViewData("photo")

My problem is: How can I append a dot to the above code.The following will result in a "Public member 'jpg' on type 'String' not found.

@ViewData("photo").jpg

I've tried the following code but does not produce my intended result:

@ViewData("photo") .jpg
@ViewData("photo"):.jpg
@ViewData("photo") & ".jpg"

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Asp.net MVC3 Appropriate Model Passing

May 24, 2012

I'm quite new to MVC and while I've been trying to follow the best practices , I believe I may not be understanding certain fundamentals of either

-a. Using models and viewmodels appropriately

-b. Passing models into a controller for validation purposes.

The general purpose of my program is to select a stored procedure from a list of stored procedures, create a form where the user can fill out all the appropriate input variables, and then to execute that stored procedure. The tool is for non-technical people, so I'm eventually going to have to do a good deal of input validation.

As such I have four models: A Script Model, a Parameter Model, a Parameter Enum model and a Query Model, and two viewmodels: a paramviewmodel that generates the form to fill out, and a scriptviewmodel that creates a listbox filled with the possible script choices. I am using a prewritten database system to fill out my viewmodels in an init method in my controller (which I'm not sure is the proper way to do this?).

The viewmodels are as follows:

Imports System
Imports System.Collections.Generic
Public Class ScriptViewModel

[Code]....

I'm trying to work out the functionality. Also, I think this may be too much code in the view, even though most of it is display code.

Anyways, I have two main questions. One, does creating a model in my controller, calling an init method on it, and then passing it to the view make any sense in an mvc context (if not, how would I proceed?). Two, if I want to perform validation on the form I output in my htmlhelper, but I want to use my query model validation (and not my paramviewmodel), how can I do that? Most of the examples I've seen involve a controller that recieves an appropriate model variable, and the binding is performed outside the controller itself. They then just check modelstate. Is there any way I could do something similar here?

Edit: Is there any way I can make the syntax highlighting less crappy?

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File Uploading In Asp.Net MVC3?

Apr 12, 2012

I'm trying to implement a file upload system and I don't really get what to do.

I'm looking for the easiest way to do it. After long researches, I've found those explanations.

forums.asp.net/t/1678157.aspx/2/10

So, here is the things I've done inside the view :

@Code
Dim fileName As String = ""
If (IsPost) Then

[Code].....

Problem : GetHtml is not a member of 'System.Web.UI.WebControls.FileUpload'
What can I do to fix this? Is it the good way to handle file uploads?

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MVC3 DropDown List?

Apr 2, 2012

Function Monitor() As ActionResult
Dim db = New QuarterDBContext()
Dim items As IEnumerable(Of SelectListItem) = db.getQuarter.[Select](Function(c) New

[code].....

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Resource Not Found - MVC3

Nov 2, 2011

Having issues getting myself started on MVC3.Trying to define a simple route here in Global.asax [code]

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.net - ASP.Net MVC3 Display Sql Output In Webgrid?

Feb 3, 2011

I am using ASP.Net MVC3 with MySQL Trying to figure out beast way to return sql result from controller to view and display output using webgrid help class.

tried following its not working.Controler code

data = New DataTable
da = New MySqlDataAdapter("SELECT * FROM " + tables.SelectedItem.ToString(), conn)
cb = New MySqlCommandBuilder(da)
da.Fill(data)
ViewData("grid") = data

[Code]...

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Asp.net - Action That Returns A File In MVC3?

Apr 19, 2012

So, I don't get what I still should to to make a file downloadable within the action.

So, here is the controller that I have. Everything seems to work fine, except that I never receive any file to download client-side.

<HttpPost()>
Function meetingCP(idCont As Integer, idOpp As Integer, schedule As String) As FileResult

[Code]....

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Make MVC3 DropDown List?

Apr 14, 2011

Function Monitor() As ActionResult
Dim db = New QuarterDBContext()
Dim items As IEnumerable(Of SelectListItem) = db.getQuarter.[Select](Function(c) New

[code].....

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Mvc - MVC3 Razor SelectedValue In DropdownListFor?

May 30, 2012

I've the following code for a DropDownListFor and is working ok

@Html.DropDownListFor(Function(model) model.Habilitacoes, New SelectList(ViewBag.Habilitacoes, "KeyHL", "DescricaoHL"), New With {.class = "FillHSpace"})

[code].....

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MVC3 VB: Sort By Date And Time?

Mar 22, 2012

I have table with date/time column and person column. Each person has multiple records for each day. What I need to do is next: I need to get first record for each person for each day... Can this be done in MVC3 Visual Basic and Entity framework?

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How To Add Charts

Apr 1, 2010

How can we add charts in VB.Net?

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Asp.net Mvc - Getting Number Of Connections Currently Viewing Mvc3 Application

Jan 24, 2012

MVC3 vb.net Application using built in session management. I have an mvc3 application that I would like to add being able to see the current number of users online to whether they are logged in or not. I have tried using: Membership.GetNumberOfUsersOnline.ToString But that only keeps track of current users logged in which is not acceptable in what I am trying to do. Is there any other method that keeps track of connections?

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Asp.net Mvc 3 - .Net, MVC3, And Razor - Modifying ActionLink Helper?

Jun 21, 2011

How do I modify or create my own Html.ActionLink helper to accept and handle the first parameter (linkText) passed in as an empty string / nothing?Details: I currently have a strongly typed view that's passed a model which contains search results. My view loops through each item in the model and attempts to display a link to a contact with the following code:

@Html.ActionLink(currentItem.ContactName, "contact", "details", New With { .id = currentItem.ContactID }, Nothing)

Normally this would work just fine, but not every item in my search result has a ContactName. The Html.ActionLink helper errors when this first parameter is empty. In case it helps, here's the model property for ContactName (which is generated from a template due to Database First, so I don't believe it can be modified):

Public Property ContactName As String

I'd like to have a helper function that simply returns nothing if the ContactName is an empty string / nothing.I'm guessing I need to extend this helper, and I've struggled to find any good, up-to-date resources in VB.net for extending helper functions. Other approaches are more than welcome if they're considered best practice. I'm working in VB.net, MVC3, and Razor in the ASP.net 4.0 framework.

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Asp.net Mvc 3 - Late Binding Issue With MVC3 ViewBag?

Feb 18, 2011

I'm trying out MVC Scaffolding in a VB.NET MVC3 project and running into an issue with late binding with Option Strict set on (and I want it on).

This works in C#:

public ActionResult Create()
{
ViewBag.PossibleTeams = context.Teams;

[code].....

causes the compiler error Option Strict On disallows late binding. I took a look at the documentation here: [URL] but it wasn't very helpful.

I notice that a new empty application in C# uses the ViewBag in the HomeController but the VB.NET version uses ViewData, so maybe this is a VB.NET limitation.

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Namespace Reference In .NET MVC3 Razor View In VB?

Jan 25, 2011

How do I reference a Namespace in .NET MVC3 with the Razor view engine?

I understand this can be done in C#:

@using Namespace;

However in VB this doesn't seem to work:

@Imports Namespace

(i'm talking about inside a .vbhtml file)

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Passing Data From WinForms Application To MVC3

Dec 14, 2011

I am working on an application that has a Winforms and MVC3 Web component. We need to be able upload large files from the desktop to the web. I have tried the various VB 2010 WebClient and FTP FileUpload alternatives but continue to run into permission issues, even though the User-ID and password I supply are the same as those used by an FTP application that successfully copies files to the same MVC3 site. In my efforts to find alternative solutions, I have looked into using WCF which also seems complicated and problematic for this particular application.

The closest I have come to a solution utilizes HttpWebRequest on the Winforms application. The following VB 2010 and C# code (MVC3) successfully passes the Filename and File data to MVC3 (the InputStream contains the references and UrlEncode data, but the class containing the fields for this data are null. (I have also passed just the file data without the filename, and the uploaded file is successfully created from the InputStream - but the method variable is still null). Although I could pick apart the InputStream, I would prefer a more elegant alternative.

VB 2010 Winforms method:
Public Shared Sub FileUpload(ByVal Filepath As String)
Try
Dim Host = System.Configuration.ConfigurationManager.AppSettings("Host")
Dim url As String = Path.Combine(Host, "UI/FileUpload")
Dim request As HttpWebRequest = HttpWebRequest.Create(url)
request.Method = "POST"
[Code] .....

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Stored Procedure MVC3 Error On Execution

Apr 7, 2011

I got a stored procedure that reads a table and insert those data to antoher table. That's the way how it works because the first table imports data from excel using a package with SSIS.In EF4 I imported the SP and create function import:This SP has 2 IN variables and 2 OUT varibales.The IN varibales are parameters and OUT variables are a message and the number of records created.[code]

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Charts VB2008EE

Jun 29, 2010

setting up a Bar chart and a Pie chart... The Barchart repsent how many people have that and the piechart is how much of what that person has bought.. i need to be able to change that?

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How To Create Org Charts In .net

Mar 30, 2009

How to create org charts in vb.net?

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Wrkin With MS CHarts?

Apr 15, 2012

currently i m workin on Ms CHarts wid VB.NET nd create a chart sucessfully bt nw i wnt to click on that particular bar of that chart nd want to get that particular axis label of that bar ..

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Add Loading Message Partial View Jquery Mvc3?

May 1, 2011

i have a pretty simple registration wizard form. this is an mvc3 azor project written in vb.my last step displays a partial view with the user's entered details. since the partial can take a split second to load, the form looks odd until it does - a blank form with a couple of buttons. is there a clean, proper way to display a little loading image/message while the partial is loading so it's obvious to the user he/she needs to hold on a sec.

my code for the register view:

$(function () {
$(".wizardstep:first").fadeIn(); // show first step
// attach back button handler

[code]....

the partial view for now is just a dummy display of the model elements.

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MVC3 / RequireHttps And Custom Handler Result In Http 310

Apr 12, 2012

I'm trying to build a web application that uses an SSL connection. So I did some research and found out that I could use the RequireHttpsAttribute class to achieve what I needed. Thing is that when I use it, the execution of the application results in an 310 error(too many redirections). I even built a custom class to handle the switch from http to https. [code]

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Telerik Grid Not Rendering Dropdownlist In Column MVC3?

Sep 3, 2011

I have a problem with the Telerik grid that I can't seem to find quite the exact problem anywhere. I'm following the demo from their site for Client Side Edit Templates. When going into edit mode it immediately dies saying select method is undefined from this js statement:

[Code]...

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Adding Series To Charts?

Sep 16, 2011

I am new to Visual 2010 and cannot seem to find any information about using Charts.I have an array, call it PressureOutputs(1000), which I wish to plot against a second array,e(1000).Can anyone please explain how I would add these two arrays to create a series on an x-y scatter graph (which is already present on the Windows Form Application), or point me to a source of information about how to do this?

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Create Charts Programmatic With Net?

Sep 10, 2009

I'm trying to get my head around excel charts. I've poured over these posts for the last couple of days now and i'm coming up dry. I've got a xl file thats got some data in the first 2 columns. I want to put the data in an XY scatter plot. Column A is the x coordinates and b is the Y.[code]...

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Index Array Of Charts?

Apr 20, 2011

Under VB2 I could create a form with many charts (One form had 12 graphs). You could define the chart once and cut and paste it the required number of times on the form. Each chart had an index and the code used the index to create and update the desired chart with the appropriate x,y data. Is it possible to do this in VB2010?

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Spreadsheets And Charts In VB2010?

Apr 6, 2011

My project that I had built used spreadsheets and charts within the forms to provide the user with the necessary data. This worked fine for VB2008 as it had all of the ActiveX office web components built into it. It seems that VB2010 has a different set of base components and emphasis office 14.0. I was wondering how people have gotten around this or if they can. I tried using DataGridView, but it doesn't seem to be able to do what I want to do. I need the ability to have users enter data into a table and then use that information to be able to build graphs real-time based on their data.

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