MVC :: Implement OnValidate Method?

Feb 4, 2011

I'm using MVC 2 with entity framework. How do I implement OnValidate method? If it is not in mvc 2, what is the alternate?

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Aug 27, 2010

I have customer data saved into my database. when the customer access this data through his login and if clicks save to csv, the data has to be saved into their local machine. I am using asp.net version 1.1 and VS2003.

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MVC :: Implement A Controller Method That Does Not Have A View

Dec 29, 2010

i have created a controller method that just update a record in the database.

and i call this method using the following code

<%
: Html.ActionLink("Perform
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"Calculate")%>

but the problem is that when i click on the Perform Link an error will be raised indicating that it can not find the Calculate view.

so how i can enforce my application to call the Calculate controller method to perform the update and to keep the user in the current page .(the index page).

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Implement Jquery Plugin Add Method Validation

Mar 15, 2010

I have a problem to use jquery Plugin/Validation.I want to add a method and follow the documentation but I think I still missing some thing.First I add the method but I think I have a problem to implement it.

<script src="js/jquery-1.4.1.js" type="text/javascript"></script>

<script src="js/jquery.validate.js" type="text/javascript"></script>

[code]....

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Jan 3, 2011

I would like to know how hard is implement a new event on this control. my question is because for the moment the property OnClientActiveTabChanged is not working well for me (for some reason the controls'values inside of the tabpanel are lost.- the problems is just with a customizable control) it's hard?

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C# - Extend DynamicQuery.cs To Implement A .Single Method?

Mar 28, 2010

I need to write some dynamic queries for a project I'm working on. I'm finding out that a significant amount of time is being spent by my program on the Count and First methods, so I started to change to .Single, only to find out that there is no such method.

The code below was my first attempt at creating one (mostly copied from the Where method), but it's not working.

public static object Single(this IQueryable source, string predicate, params object[] values)
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if (source == null) throw new ArgumentNullException("source");
if (predicate == null) throw new ArgumentNullException("predicate");
LambdaExpression lambda = DynamicExpression.ParseLambda(source.ElementType, typeof(bool), predicate, values);
return source.Provider.CreateQuery(
Expression.Call(
typeof(Queryable), "Single",
new Type[] { source.ElementType },
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Error While Adding Dynamic Data To An Existing Web Site - The Method 'Skip' Is Only Supported For Sorted Input In LINQ To Entities. The Method 'OrderBy' Must Be Called Before The Method 'Skip'.

Apr 13, 2010

I am creating an Asp.net web site which will support dynamic data. When I am creating a dynamic web site from Scratch (from template in VS) all is working fine. But when I am trying to add dynamic entity (.edmx) file and running the application I am getting following error

"The method 'Skip' is only supported for sorted input in LINQ to Entities. The method 'OrderBy' must be called before the method 'Skip'. "

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DataSource Controls :: ObjectDataSource - Update Method To Pass Entity To The Method In BLL Class?

Oct 18, 2010

I have an ObjectDataSource that I want to perform updates using a business entity i.e. Type="Object"). Since the values for the entity are within a user control, I have stored a reference to the control in Session and in the updating event, set the new instance to the value of the entity from the user contol property (which also pulls values from the form viaother properties of the control):

Protected Sub MasterDataSource_Updating(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.ObjectDataSourceMethodEventArgs) Handles MasterDataSource.Updating
Dim entity As New Login()
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entity = accountControl.Entity
e.InputParameters.Add("entity", entity)
End Sub

And here's the markup for the datasource:

<asp:ObjectDataSource ID="MasterDataSource" runat="server" EnableCaching="true" CacheDuration="10"
SelectMethod="SelectAll" UpdateMethod="Update" TypeName="Data.DAL.LoginDAL">
</asp:ObjectDataSource>

My question is, how can I get the update method to pass this entity to the update method in my BLL class? It seems the Update method requires an ID or reference to the original object to use in determining whether any changes have taken place, but I don't really want to do this. In other words, I just want to use the Update event on my ObjectDataSource to pass my entity to the method ("Update") I set as a property and then let this business method handle the update of the data. Shown below, is the BLL update method I want to call:

Public Overloads Function Update(ByVal entity As Login)
If entity Is Nothing Then
Throw New ArgumentNullException("entity")
End If
MyBase.Update("UpdateLogin", entity.Username, entity.Password, entity.FirstName, entity.LastName, entity.Role, entity.Region, _
entity.Email, entity.Title, entity.TierID, entity.Street, entity.City, entity.State, entity.Zip, entity.Mobile, entity.Phone, entity.Fax)
End Function

When I try to call this as it stands now, I get an error: ObjectDataSource 'MasterDataSource' could not find a non-generic method 'Update' that has parameters: ID, entity. Previously, I'd set up a long list of parameters of basic data types (string, int, boolean), but this is rather cumbersome and I was hoping to use an entity for this (FYI, I also got the same type of error when I tried this approach, but with the ID as the
last parameter in the list). Perhaps what I'm doing here is atypical to how the ODS is normally used?? Has anyone done something like this successfully?

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AJAX :: Calling Webservices From Javascript: OnError Method, How To Identify The Method

Aug 26, 2010

I have an application that has JS calling ASMX files to do asyncronous requests, using ASP.NET AJAX.

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example:

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en System.Web.Script.Serialization.ObjectConverter.ConvertObjectToType(Object o, Type type, JavaScriptSerializer serializer)
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en System.Web.Script.Services.RestHandler.InvokeMethod(HttpContext context, WebServiceMethodData methodData, IDictionary`2 rawParams)
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Web Forms :: Onclick Method At Submitbutton Throws Error: Undefined Method

Dec 15, 2010

I don't know what I'm making wrong.I have a submit button, and on click it should execute the funktion in the code behind, but I get the error that the funktion is undefined.this is my code in the .aspx webform:

<%@ Page Language="C#" AutoEventWireup="True" MasterPageFile="~/DashMaster.master" CodeBehind="BI_MDR.aspx.cs" Inherits ="BI_MDR.StoredProc"%> [code].......

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Web Method That Accepts A List<CustomObject> Is Failing With "Web Service Method Name?

Feb 8, 2010

I want to create a web method that accepts a List of custom objects (passed in via jQuery/JSON). When I run the website locally everything seems to work. jQuery and ASP.NET and everyone is happy. But when I put it on one of our servers it blows up. jQuery gets a 500 error after the ajax request with the response being:

System.InvalidOperationException: EditCustomObjects Web Service method name is not valid.
[WebMethod]
public void EditCustomObjects(int ID, List<CustomObject> CustomObjectList)
[code]...

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Catch Method And Log File - Which One Is The Best Method To Handle Error In Web Based Project

Nov 9, 2010

I have seen 2 methods to handle error in project. One is using try catch in every method and another is using custom page and error log file .I know both method. Which one is the best method?

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DetailsView_ModeChanged Method Does Not Find Controls In A Certain Mode Using FindCotrol Method

Dec 4, 2010

I have a DetailsView control about a store products.

When I hit the "Edit" button of the DetailsView control, I want to bind a DropDownList to list products categories and select the current product category in it.

I used the method "ModeChanged" to select the current product category like this:

[Code]....

the FindControl method DOES NOT find the "ddlCategory" (returns null) although it's present in the EditTemplateField.

I'm thinking to use "DropDownList's PreRender" event for doing the purpose I aim, but I want to know what is wrong!

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Web Forms :: BC30289: Statement Cannot Appear Within A Method Body. End Of Method Assumed

Feb 26, 2010

How to solve this error? Error message is "BC30289: Statement cannot appear within a method body. End of method assumed.".

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Jul 27, 2010

I have jQuery plugin - progress bar. How to invoke server side method on success? The code is below:

(Everything works fine)

[Code]....

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Execute Javascript Method After Completing Code Behind Method?

May 12, 2010

I want execute below callback() method after completion of document.getElementById('btnDownload').click(); method . Now callback()executing immediatly. I want wait "Click()" process done then Execute callback(); method.

function LoadPopup() {
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// show the popup
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C# - How To Execute Base Class's Method Before Implementors's Method

May 12, 2010

I have the following page

[Code]....

Currently, only GenericOfflineCommentary's ExtractPageData() is firing. How can I modify this to first run OfflineFactsheetBase's ExtractPageData() and then GenericOfflineCommentary's?

edit: I'm trying to avoid having to call base.ExtractPageData() in every implementor.

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WCF / ASMX :: How To Force Each Web Method To Call Another Method By Default

Sep 14, 2010

I want to execute a certain piece of code by default before each web Method.

Without adding any extra code in each method how to achieve this?

I am calling this service from Win application.

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AJAX :: Calling A Regular Method From Within A Web Method?

Nov 1, 2010

i have a web service that i use for the AutoCompleteExtender, let the below code show you what i'm trying to do: [Code]....

this method is called, and when it calls the method inside the Patients Class, it gets lost. does that mean that i can't use 3-tier approach with web methods?

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Javascript - $.ajax Json Method Does Not Hit The Web Method?

Sep 22, 2010

When this function is hit , it does not call my function in code behind? Why could it be doing this? How can I fix this error.

$(document).ready(function() {
$('[id$=btn_Update]').click(function() {
var reten = $('[id$=txt_Reten]').val();
var i=0;
var selectValues = "";
var ProdID = new Array();
$("#lst_ProdId option").each(function() {
selectValues = selectValues + $(this).text() + ",";
ProdID[i] = $(this).text();
i++;
});
for(var j=0; j < ProdID.length;j++)
{
// alert(ProdID[j]);
}
var params = "{'ProdID':'" + ProdID + "','RetenP':'" + reten + "'}";
$.ajax({
type: "POST",
url: "/ProductPricing/Products/RetenPeriod.aspx/UpdateRetenPeriod",
data: params,
contentType: "application/json; charset=utf-8",
datatype: "json",
success: function(result) {
alert("sucess");
},
error:function(e) {
alert(e.statusText);
// if(errorThrown != null)
// alert(textStatus+ ":"+errorThrown);
// else
// alert("fail");
}
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});
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});

This is my webmethod in code behind:

[WebMethod]
public static bool UpdateRetenPeriod(string[] ProdID,string RetenP)
{
for (int i = 0; i < ProdID.Length; i++)
{
update(ProdID[i],RetenP);
}
return true;
}

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C# - How To Call A Javascript Method From Code - Behind Web Method

Jan 25, 2011

I have a web method in my code behind:

[System.Web.Services.WebMethod]
public static string GetStateData(string state)
{
//this is where i want to call a javascript method "GetItems"
}

I have a javascript method that retrieves some values for me and I want to get use one of those values in my web method

function GetItems() {
var variable1= $("#<%=Item1.ClientID %> input:checked");
var variable2= $("#<%=Item2.ClientID %>").val();
return [variable1.text(), variable2.val(), variable2];}


I've searched for ways to call the javascript method from the web method but every time my search results in how to call a web method from javascript.

I did find this but it was done from the code-behind of a silverlight project and when I tried adding the correct reference to my code-behind it wasn't there

var result = HtmlPage.Window.Invoke("GetItems"); Is there a reference I'm missing?

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Sending Mail Method & Attachment Method?

Nov 24, 2010

my application contains a page that provides for the user file upload option and a button that ( send mail for the user that his request is done and a message for the admin mail that contains the file that was uploaded by the user.


my problem is : the admin message is sent but without attachment this is the code for both methods:

[Code]....

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AJAX :: Call Web Method Inside Other Method

Mar 26, 2016

 $("#Name").on("blur", function() {
if (Name != "" && Name != null) {
var options = {
type: "POST",
url: "ApplyNow.aspx/CheckName",

[code]...

how to use the value of 'duplicate' in btnsunmit_click()  from webmethod.

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Forms Data Controls :: DetailsView Delete Method Passing Null Values To Objectdatasource Underlying Object Delete Method

Apr 12, 2010

I am using VS 2008 SP1. My also have included CSS Friendly adapter [URL] in my project ( I mentioned this because my GridView Empty data template is not showing when using GridView's CCS Friendly adapter). I have a GridView and a DetailsView. When a record in GridView is selected its details information is shown in the Details View. Type of Data source I am using is ObjectDataSource. My Insert and Update methods works perfectly. It is only the Delete method that is passing null values to the underlying object delete method. My source codes for both the UI, BLL, DAL is shown below

[Code]....

My Business Object code is below :

[Code]....

My Data Access Layer Code is:

[Code]....

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AJAX :: Creating Method Error 'Cannot Create Page Method "GetCompletionList" Because No Code Behind Or Codefile Was Found"

Sep 24, 2010

I added the extender and when i tried to add the method this message poped up; Cannot create page method "GetCompletionList" because no Code Behind or codefile was found.

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