Forms Data Controls :: ListView Slow Response To Edit Button?

Dec 1, 2010

I have a Listview in ASP.NET 3.5 page. When I press the Edit button it takes about 10 seconds before the screen is refreshed.

I have disabled ViewState and SessionState with no improvement to response time.

I'm looking for suggestions of what to look at to improve the response.

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Forms Data Controls :: Edit Button In Listview Only Responds On Second Click?

Jan 16, 2011

On the items in my listview, I have a button to allow for editing. The strange thing is, that the button only changes to editmode on the second click of the button, and then it doesn't load the data from the item. I have tried to debug this issue, and it does cause a postback on the first click, but nothing happens. Then on the second click, it fires a postback again and changes to the edittemplate, but without any data.

I databind my listview on

if(!IsPostback)

lv.DataSource=.....

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Forms Data Controls :: Conditional Formatting Listview For Edit Button?

Mar 13, 2011

I want to have a listview with conditional formatting on its edit and delete button.So, in nutshell, I want to check if the writer of post is equal to session("memberid"), then the edit and delete button will be appeared, else, it will show hidden.

[Code]....

roughly, i want and plan it to be sort of like that (as i found it at [URL]But I do not have any idea on how to make it whatsoever.So, if you guys have any idea (same as method above or different method), please show me the way.I have seen another forum, but I don't get it.

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Forms Data Controls :: Dynamically - Programmatically Set Action(Edit - Delete) Button For A ListView Item

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VS 2010 - Download Button Giving Slow Response

Oct 29, 2011

I have a download button on my website to download an application of mine. It works fine but I noticed people are clicking it repeatedly. The response time is a little slow after you click the button. Not that bad for me but maybe it's worse for some. In the button click sub I have the code to get the file and bring up the download window and I also have code to increment a table for download count and get the IP address of the person who clicked the button. If I just have the code necessary to do the download the download window comes up a little bit quicker. Here's my button click sub :

Code:
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
'
Dim FilePath As String = Server.MapPath("~/FolderForDownload/MyApplication.exe")
Dim myfile As New System.IO.FileInfo(FilePath)
If myfile.Exists Then
Response.AddHeader("Content-Disposition", "attachment; filename=" + myfile.Name)

[Code] ...

What I've noticed is that when I had Responcse.End() before my code to get the IP address and increment my table and save the IP Address it would skip performing that code so I moved it below the code. It performs the code but I noticed that after you click the button it takes longer before you see the window pop up that asks if you want to Run or Save.

I tried putting the code to get the IP address and increment my table in a separate sub and then call the sub after Response.End() but it still doesn't perform that code unless I call that sub before Response.End().

I'd like to do everything I'm now doing but get the Do you want to Run or Save window to open sooner. I'm getting a number of people downloading my application from overseas and perhaps when it runs the code to identify the IP address it takes longer. I'm not sure but I see people clicking the download button repeatedly. My table records the exact time to the second when they clicked the download button and to take an example, there are 4 consecutive entries with the same IP address and the times are 3:28 PM for all 4 with the seconds being, 13, 15, 16, and 17.

I put a test download page on my website. When I was running in Visual Studio and using a localhost address I was seeing a big difference in how quickly the window opens after you click the download button if there's download code only versus download code with the other code. When I copied the page to my website and accessed the webpage on the internet there didn't seem to be hardly any difference.

Here's a link to the test page on my website if you want to try it out. You don't have to download anything but you can see how quickly the window opens asking if you want to run or save. There are 2 buttons on the page. One says Download Code Only and the other Download Code and Other Code.

[URL] ....

I just tried it out and I saw a big difference in time between the two but earlier I didn't. Sometimes I think the added code runs faster and other times slower.

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Forms Data Controls :: Click To Edit Button Twice In Form View To Change To Edit Mode?

Mar 1, 2010

I have a page where I have a tab container and four tabs. the problem is on the first tab "manage quote request" I have a Gridview with the quote request general informatin listed and have a template field created with a link button to databind to the formview quote details. the porblem comes in when after I click on the select linkbutton. the Formview loads right. Then Whe I try to click on the edit linkbuttin in the form view I have to click it twice to change the mode to edit.

here is the page code:

[Code]....

Here is the Codebehind:

[Code]....

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Forms Data Controls :: Dropdownlist In Listview Edit Template

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In my edit template I want a dropdownlist containing a list of possible customers. The list is populated from a database table containing existing customers. If the main record has customer "XYZ", then I want that customer to be the default in the dropdown. I'm using VS 2008 and C# My markup for the dropdownlist is currently:

[Code]....

The dropdownlist is populated but the problem is it shows the first customer in the list. I don't want the user to have to rechoose customer if that is not what they are changing.

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Forms Data Controls :: ListView Not Switching Into The Edit Mode

May 4, 2010

I need to display data somewhat like this:

Student Name: John
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[Code]....

And the StudentInfo class looks like this:

[Code]....

And Exam class has just two properties.

Now the issue is that I have to press the Edit button [link button] twicw to get the EditItemTemplate. Even then I would get the blank textboxes. So what should I do to make the EditItemTemplate appear on the first click and the TextBoxes to appear with the existing data?

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Forms Data Controls :: Find Control In Listview Edit Mode?

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I have a basic list view, in the edit mode I have a dropdown list, and a checkbox, I want it so that if you choose "yes" from the drop down box the check boxs becomes enabled. I know I need to find the control but I keep getting object refrence error with this code.

[Code]....

the listview renders its layout / item template fine but when I click on edit to send it to edit mode it fails to find the dropdownlist ddlQA1YNM which is a bit ironic cause its the ddlQA1YNM that is making the call to ddlQA1YNM_ondatabound. Now it could be with the fact its on the databound stage. Not sure how that plays into the stack. I call ondatabound to determine what the dropdownlist value is and set the enabled status according on the load into edit mode.

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in the nested ListView (or the child ListView), the edit command does not work.

It seems that the <EditItemTemplate> is not properly excecuted by the edit button in the <ItemTemplate>.

Interestingly, the edit command in the parent ListView works well.

The insert and delete commands in the nested ListView also run without any problem.

But I get no change by pushing the edit button which is located for each reply (the item of the nested listview)

Here is my code.

[code]...

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<asp:ListView runat="server" ID="photosListView" DataSourceID="SqlDataSource1"
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<LayoutTemplate>
<asp:PlaceHolder ID="itemPlaceHolder" runat="server"></asp:PlaceHolder>
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<div>
<div>
<div>
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I have a problem with using the listview.When I want to update or cancel the update, the listview doesn't leave the edit mode.When I clicked the updatebutton, the methode Listview.Itemupdating is fire and changes the database. But then nothing happened. Even if i set the itemindex -1.The Listview.Itemupdated does also not fire.This is the code.

[Code]....

The code:

[Code]....

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I've a listview with object datasource as source control.

I'm using listview events for update and delete.

on update event i.e in itemcommand==update , I'm rising a javascript event on validation.

So when this validation raises I want the listview to be edit mode on the same row.

For this under Listview updating event I used the following:

[Code]....

but I'm facing the below error:

Updating is not supported by ObjectDataSource 'odsCategory' unless the UpdateMethod is specified.

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I have a listview which i want to open in Edit Mode by default.. How to do ?? i m trying to delete by giving checkbox too.In DetailsView we have Default mode property but not in listview. Code i am using is:

[Code]....

if possible guide me how to delete in bulk with checkbox in listview.

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[Code]....

Now you will see the design code

[Code]....

When click the edit button ItemEditing event fires.Now how can I bind the value from database to textbox ?

[Code]....

the code returns null value. I can not acces the textbox control which is in edit mode.

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Forms Data Controls :: Displaying Multiple Records In Edit Mode In Listview

Feb 8, 2010

I'd like to be able to display multiple records in edit mode in a listview. Is this possible?

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Forms Data Controls :: Listview 3.5 Bind Dropdownlists Edit Item Template VB.NET

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I am trying to do this with many issues of data binding doubling the amount and not setting selectedValue on dropdownlist. I have read some posts and they help but I am missing a crucial piece. My problem is that my dropdownlist is doubling the amount of records for the dropdownlist. Instead of "YES;NO;SELECT A VALUE", I am getting "YES;NO;SELECT A VALUE;YES;NO;YES;NO". My database is correct with the UPDATE part but the rebind after update is failing horribly.

[Code]....

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I'm using listview with datapager.

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I'm using a listview control to do a survey stuff. Everything is working perfect to present the data questions, to be answered text with the different type of controls radiobuttonlists, checkboxlists, dropdownlists, etc. The admin can modify, create, change questions, answers, etc. on the survey.When it's select, edit, or insert it's easy to find the control inside a listview.However, I'm wondering how to post user's answers back to DB. How to find controls inside the listview to grab the entered data/responses from there using let's say the submit button that is outside of the listview.I believe there should be a way to do it as otherwise why we put radiobuttonlist on a listview that somebody could click it and then we should be able to get that entries. Or I'm too optimistic on this control?

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Forms Data Controls :: Open An Item In Listview In Edit Mode On Page Load?

Apr 20, 2010

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DataSource Controls :: ListView + LinqDataSource Data Source And Load The Listview On Search Button Click Action?

Mar 22, 2010

I am trying to populate the ListView using LinqDataSource data source but the issue I am having is.I need to load the listview on Search button click action.

IN the page_load I kept like this:
===========================================
LinqDS.Selecting += new EventHandler<LinqDataSourceSelectEventArgs>(LinqDS_Selecting);

protected void LinqDS_Selecting(object sender, LinqDataSourceSelectEventArgs e)
{
e.Result = ObjectDS;
}
=============================================
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I have a table which has like 450 fields, i want to add edit option to my GridView which allow user to edit the data for that row.i don't wanna write ItemTemplate field for 450 fields, is there a way to get it done automatic query using ListView or GridView whatever is good for it.

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Data Controls :: GridView Last Row Delete Button Disable Functionality Not Working For Edit Button

May 7, 2015

In one of my Web Page, there is one Modal Pop up, in which I am using Gridview Edit, Update, CancelEdit, Delete functionality.Main functionality is : If while deleting any of the Gridview Row, if only 1 row remains in Gridview (that row can be any row), then that row should not get deleted.Rest of Edit, Update, CancelEdit functionally is working fine.

I used below code for above:

 C#:

protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
BindGrid();

[Code]....

problem is: When any last row is left in Gridview, its Delete button is disables that time (as per requirement and functionality). But when user clicks on Gridview "Edit" button, update section opens, and at that time "Delete" button gets Enabled, so that time user can delete the last row of Gridview which should not be done.I had fixed this problem for "Cancel" and "Update" button of Gridview using below line:

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