Want To Know What Will Happen When Page Is First Requested From Browser?

Oct 1, 2010

I want to know what will happen when asp.net page is first requested from browser.i.e ASP.Net Page Request Architecture

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Similar Messages:

What Will Happen To Membership If The Client Browser Is Not Accepting Cookies

Apr 3, 2011

This thing has just came to my head and I wanna share it.Note : I could easily test it but I am being lazy here to see if anybody has ever experienced something like that before.Let's assume that I have a web site which built-in membership structure of asp.net has been implemented on. What will happen to asp.net membership if the client browser blocks cookies? Does framework throw an exception when a user tries to log in or do something else?

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Web Forms :: Error Happen When Stay On Page For A While

Feb 27, 2014

I have view.aspx page that when I open page and don't do  any thing in this page i.e for 10 minutes when I come back to this page  after 10 minutes and click on hyperlink or button below error happen. Why this error happen?

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Jul 17, 2015

I have created an order checkout page.when i click checkout button then it check user login or not if not then it redirect to login page .after login i want to show

my previous link page

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Web Forms :: Requested Page Not Available?

Feb 20, 2010

I'm looking to pick brains on the following.I have a page which contains numerous links to other websites.I use a redirect to get to the destination page so I can run any code prior to the redirect. What I would like to do is attempt the redirect, but then display an error message if it doesn't happen in say 20 seconds.I already have code to check a link so I can check, then if available redirect, however I would prefer to redirect and catch an error.

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Determine Which Css Media Type Is Being Requested On Page?

Oct 15, 2010

I'm looking to alter the way my asp .net webpage is output to the browser depending on the css media type being used. Although the css is generally taking care of the differences in appearance between screen and print mode I would also like to make some minor adjustments to the markup when print mode is required. I would simply be dropping a floated section down below its sibling rather than as a 2 col approach which is to used during screen layout in the browser.

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Configuration :: Web.config For IIS 7 - HTTP Error 500.19 - The Requested Page Cannot Be Accessed?

Mar 28, 2010

I have a website which works perfectly fine with IIS6 on a remote server. I switched hosting to an IIS7 server and now I get the following error:

Error Summary

HTTP Error 500.19 - Internal Server Error

The requested page cannot be accessed because the related configuration data for the page is invalid.

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Web Forms :: After Successful Login And Redirect User To Page Requested

Jan 13, 2013

In my asp.net and vb code web. there is some pages which require username and password to access it. when the user clicks on the link for this page it directs to the login page and if the username and password is correct then it is directed to default page and not to the page requested.

Code in my .vb page is as under

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Session("userid") = Nothing Then
Response.Redirect("login.aspx")
End If
End Sub

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Is That Really The Possible Thing To Happen When Hiding A Datafield

Aug 23, 2010

My code below has a drawback. The scenario is this, i have two user roles - Approvers and Encoders. The encoders are not allowed to view the price only the approvers. Using the code below, i can now hide the Price column. but the problem is, when the encoder modified the quantity column, the Total Amount (Quantity * Price ) is zero. Giving zero value for price. When the approvers view the transaction,the Total Amount is zero. Is that really the possible thing to happen when hiding a datafield?

HTML Code:

For Each colField As DataControlField In colFields
If TypeOf colField Is BoundField Then
Dim bField As BoundField
bField = CType(colField, BoundField)
If bField.DataField = "ReceivPrice" Then
bField.Visible = False ' Hide Price Column
End If
End If
Next

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Validation Didn't Happen On 2nd Time Around?

Jan 18, 2010

I have a Page_load sub with the following:

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

If Request.ServerVariables("SERVER_PORT") = 80 Then
Dim strSecureURL As String
[code]....

The validation load in this page worked on the first click of btnDonation, if I don't change anything and click the btnDonation again, it automatically go to my confirm page. Instead, I want it to continue to check for requiredFieldsOK(). Note that if I fill in one of the missing required fields, the validation will work.

My question is: How can I continue to check for requiredFieldsOK() even if user didn't fill out any additional information?

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How Does Compiling Happen Only For The First Time In Project-less Development

Jan 16, 2011

I read these words in a book:

Projectless development simplifies debugging: When creating a web project, you must recompile the entire application when you change a single page. With projectless development, each page is compiled separately, and the page is only compiled when you request it for the first time.

How does compiling happen only for the first time in projectless development?

Should it recompile every time I run the page to reflect the new code I wrote it?

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Handling Exceptions That Happen In A MVC Controller Constructor?

Apr 22, 2010

What's the best way to handle exceptions that happen from within a controller's constructor?

All I can think of to do is use Application_OnError() or put a try/catch in my ControllerFactory.

Neither of these solutions seem ideal. Application_OnError is to broad - I have some non-mvc content in the site that has its own error handling. Using a try/catch block seems kinda hacky.

If I'm serving different content type -html/text/json/rss.... I would like to be able to handle the exception from within the action method instead of having to write all kinds of conditions to determine what kind of error message to serve.

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Button1.Disable=false Doesn't Happen Immediately?

Dec 13, 2010

I have a Wizard which has a FileUpload in one of the steps. It also has an "Upload" button. When the user browses to a file, and clicks Upload, I upload the file into SQL.

There seems to be some synchronization problem for very large files, and I would like to disable the Wizard's Next button until the Upload of the file to SQL completes. It can take a while, especially on a wireless PC.

In my OnClick event for the Upload button, I am trying to disable the Next button. The code, which is below, appears to be correct, but the Next button doesn't actually disable until the Query completes. Can I get the Next button to disable immediately instead of after the SQL Update completes?

Here is my code:

Protected Sub JustificationDocUploadButton_Click(ByVal sender As Object, ByVal e As EventArgs) Handles JustificationDocUploadButton.Click
If RequestJustificationAttachment_FileUpload.HasFile Then
Dim obj As Object = Wizard1.FindControl("StepNavigationTemplateContainerID")
Dim startButton As Button = obj.FindControl("StepNextButton")
startButton.Enabled = False
SqlDataSourceJustificationAttachment.Update()
End If
End Sub

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DataSource Controls :: Click Event Not Happen For Second Time In Datagrid?

Dec 23, 2010

i have used template of datagrid that show product item.i want when buyer choose a product in datagrid the picture of the button in that cell change and next time click event or page load not happen for that specific button in datagrid.I SOLVE THAT PROBLEM BUT PAGE LOAD AND CLICK EVENT HAPPEN. what can i do?

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C# - Custom Paging Repeater Control Next And Previous Events Happen After Databind

Feb 3, 2010

I have a Custom Repeater control that inherits from Repeater and has paging functionality, however when I click the next page button the first time it refreshes the control but does not change the page, if I click it again after that it changes page perfectly. I know what the issue is, when I click the next button it does a postback, then the data is bound to the repeater, and then after that the NextButton Event is handled.

Is there any way I can change the order of the page load events?? Or force the repeater to reload again after the event is handled?? I've included my Custom Repeater class bellow:

using System.Web.UI.WebControls;
using System.Web.UI;
using System.Data;
using System.Collections;
using System;
namespace ASPresentation.Controls
{
[ToolboxData("<cc:PagedRepeater runat=server></cc:PagedRepeater>")]
public class PagedRepeater : Repeater
{
public int PageSize { get; set; }
public int CurrentPageIndex
{
get
{
return Convert.ToInt16(Page.Session["ProjectIndex"]);
}
set
{
Page.Session.Add("ProjectIndex", value);
}
}
public PagedDataSource pagedData = new PagedDataSource();
LinkButton NextBtn = new LinkButton();
LinkButton PrevBtn = new LinkButton();
public bool IsLastPage
{
get
{
return pagedData.IsLastPage;
}
}
public bool IsFirstPage
{
get
{
return pagedData.IsFirstPage;
}
}
public override object DataSource
{
get
{
return base.DataSource;
}
set
{
pagedData.DataSource = (IEnumerable)value;
}
}
protected void NextButtonClick(object sender, EventArgs e)
{
if (!IsLastPage)
{
CurrentPageIndex++;
}
}
protected void PrevButtonClick(object sender, EventArgs e)
{
if (!IsFirstPage)
{
CurrentPageIndex--;
}
}
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
NextBtn.Text = "Next";
PrevBtn.Text = "Prev";
NextBtn.Click += new EventHandler(NextButtonClick);
PrevBtn.Click += new EventHandler(PrevButtonClick);
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
base.Controls.Add(PrevBtn);
base.Controls.Add(NextBtn);
}
protected override void Render(HtmlTextWriter writer)
{
base.Render(writer);
}
public override void DataBind()
{
pagedData.AllowPaging = true;
pagedData.PageSize = PageSize;
pagedData.CurrentPageIndex = CurrentPageIndex;
base.DataSource = pagedData;
base.DataBind();
}
}
}

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Javascript - If Users Press The Browser's Back Button To Reach The Prior Page Then Page Should Display A Message Like "web Page Expired"

Jul 23, 2010

if users press the browser's back button to reach the prior page..then page should display a message like "web page expired" in asp.net can i use javascript for this?

for example..

there are 4 pages in web sites. 1,2 and 3 can be back. but when the 4th page run then 4th page can not be back... when the user press browser's back button , diaplay ma message "weg page expired".

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Web Page Visible In Xml Format In View Page Source But Looks User Friendly On Browser?

Dec 6, 2010

look at this sample link address: (weather.gov) [URL] if you view page source in browser, you can see that it shows data in XML format (usng xsl.?). I need to implement a simple web page like that. I think that web site uses XML XSL I'm going to implement a web application in asp.net which will use data stored in sql database (or xml database or web service) and show these information like other normal web sites but in xml format in nice UI (using xsl?).That Weather website is only a sample to show what i want to do (i will not use any data from that site, my application is different).My requirement is being able to view page source only in XML format.Now I'm clear that xsl is the solution for that, but considering to use this method in asp.net.(use xml/xsl in dynamic asp.net pages) My Question? It is important for me to make the web page output in xml format(visible in xml format in page view source) but looks user friendly for users. 1.how can i do it in asp.net ?

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Web Forms :: How To Disable Browser Back Button In Index Page Or Login Page

Sep 25, 2012

am creating a web application in using c# with asp.net.

in that am using login page only as normal aspx page. other pages are using masterpage.

when i click logout button in masterpage. page will redirect to login page. after that if i click browser back button it was moving to previous page. how can i prevent this.

am using this following code in master page aspx page. And My log out button code is below.

<%if (!Page.User.Identity.IsAuthenticated)
{ %>
<script type = "text/javascript" >
function preventBack() { window.history.forward(); }
setTimeout("preventBack()", 0);
window.onunload = function() { null };
</script>
<%} %>

But exactly what i need is once if login page loaded or logged out then it wont go to previous page.

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Web Forms :: Using Master Page In VS2010 / Web Page Does Not Fill The Browser Completely

Oct 10, 2010

I am using the original masterpage template in VS2010 to have a consitency with all my web pages for my site. However, i noticed that the web page does not fill the browser completely, it is much smaller. How can I adjust the size of the web page so that is fills the browser completely?

I have looked at all the options in properties but had no luck so far!

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Web Forms :: What Would Happen If Pass An "Open" SQCConnection Object To Another Function

Jun 12, 2010

what would happen if I pass an "Open" SQCConnection object to another function ? I open and Close the connection in my calling function. But would the copy of the object that I passed onto the other function remain Open ?

ie :

Public Function CallingFunction()
Dim sqlCon as New SQlConnection .....
sqlConn.Open()
CallFunction(sqlCon)
sqlConn.Close()
End Function
Public Function CallFunction(ByVal con as SQlCOnnection)
..............
End Function

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Web Forms :: CSS Not Working In Page Derived From Child Master Page When Viewed In Browser But Works In Design...

Jun 13, 2010

I have a page with features supplied from both a master page and a child master page.In the content placeholder for the head in both master pages I have supplied the link to the stylesheet for the site.In Design View in VS 2008 the CSS code seems to be functioning correctly.When viewing in a browser the CSS does not appear to be applied at all.

Here is the CSS code for the div elements within the main content placeholder:

[Code]....

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Forms Data Controls :: Open A Page In Separate Browser When Imagebutton Click From Parent Page?

Sep 29, 2010

In parent page there is an imagebutton. What I want to when user click this image button, another page will open with width=200 and height=100 with no toolbar.

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Web Forms :: Call An Alternative Css Page If The Browser Is IE On A Content Page?

Apr 25, 2010

What is the best way to call an altenative css page if the browser is IE on a content page (re master/content)?

many of the hacks are in javascript, but I am woindering if I should be using "System.Web.HttpBrowserCapabilities browser = Request.Browser;" instead

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Web Forms :: Object Reference Not Set To Instance Of Object Error Happen When Use 2 Linkbutton

Apr 27, 2016

I have two datalist that bind from database and use linkbutton on these datalist

<asp:DataList ID="DLclass" runat="server">
<ItemTemplate>
<asp:LinkButton ID="Linkbtnclass" runat="server" CssClass="lbldasteM"
CommandArgument='<%# Eval("Name") %>' OnClick="Linkbtnclass_Click"><%# Eval("Name") %></asp:LinkButton>
<div id="MM31"></div>

[Code] ....

Here I want when click on linkbutton it change text's color so I wrote below code:

protected void c(object sender, EventArgs e)
{
this.GetCustomersPageWiseMC(1, (sender as LinkButton).CommandArgument);
BindDataListD(DLclassC, "classTI_documentry");
DataListItem item = (DataListItem)(sender as LinkButton).NamingContainer;
foreach (DataListItem dlItems in DLclass.Items)

[Code] ....

For Linkbtnclass_Click it worked correctly and when I click on linkbutton it change color but for LinkbtnclassC_Click  when I click on linkbutton it make this error:

Server Error in '/' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

Line 537: {
Line 538: LinkButton lb1 = dlItems1.FindControl("Linkbtnclass1") as LinkButton;
Line 539: lb1.ForeColor = ColorTranslator.FromHtml("#646464");
Line 540: }
Line 541:

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SQL Server :: What Will Happen If Two Application Servers Communicate One Database Server

Jan 12, 2011

If i wanted to communucate from two application server to one SqlServer,what are the drawbacks if i implemented a senario like this, at the same time wat are the advantages.

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