Web Forms :: Disable Postback On Gridview With Custom Dataset?
Feb 15, 2010I am a newbee with c# and asp.net.1- I have a grid view which is with name of GRIDVIEW12- GRIDVIEW1 is bound to dataset on PAGELOAD
GridView1.DataSource = dt1;
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But when the user click confirm button, it will auto postback to reload the page that made my page distored (may conflict the css that move to left hand side)I had insert "return false;" in the statement, but it doesn't work.
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Custom Server Controls :: Custom Control's Children Do Not Persist Contents After Postback
Feb 25, 2011I have created a really simple custom control to render panels into a page. The code is below. When I use my control and add any webcontrol to it, after each page postback the contents of these child controls vanishes.
I must have missed something really simple but run the example to reproduce this. Can anyone please enlighten me as to why the controls are being 'emptied' of their contents, and how I stop this occuring?
Here is the code for the control
[Code]....
And here's how I am using it in a sample page:
[Code]....
[Code]....
ADO.NET :: FlexCel: Entity Framework -> DataSet / Convert Data In Gridview To A Virtual DataSet?
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Dataset Manually Put Into The Viewstate Of A Web UserControl Not Kept After Postback
Feb 2, 2010I've created a Web User Control that is placed on the page at design time. It's purpose is to pop up with a grid of items the user is to choose from. So I've got a gridview on it. And this code in the usercontrol:
Public Property DataTable() As Data.DataTable
Get
If Not IsNothing(ViewState("_SelectGridDataTable")) Then
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End Get
Set(ByVal value As Data.DataTable)
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End Set
End Property
So when the user clicks on a button on the page, I put this in the code on the page:
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And this works fine. The grid pops up (using jQuery) and the grid is shown. The problem is, that when the user clicks the "OK" button on the UserControl, the ViewState("_SelectGridDataTable") is always nothing. And I don't get it, since it's in the viewstate.. ?!? So does viewstate here not REALLY mean viewstate?
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View 4 RepliesHow To Disable Usercontrol Postback If Javascript Is Enabled
Oct 20, 2010I've searched high and low for some resolution to this problem. Hopefully someone here can explain!!I create a usercontrol that uses .NET web controls, but I want to create a smoother user experience by avoiding full postbacks, so I write some JQUERY to capture click events on the client and in this way do the processing without going back to the server.
$("#tblLedgerEntries :checkbox").click(function () {
var value1 = $(this).closest("tr").find("td.invoiceAmount").html();
var value2 = $('#<%=hdnTotalToPay.ClientID%>').html();
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[code]...
Javascript - HDI: Disable Postback On Html Input Box
Nov 15, 2010I have an input box that I don't want postback to occur on someone striking the enter key
I want the javascript event to take place instead.
<input
type="text"
id="addressInput"
onkeydown="inputenter()"
autopostback="false"/>
function inputenter() {
if (event.keyCode == 13) {
seachLocations();
return false;
}
else {
return false;
}
}
Javascript - Dynamically Disable A TexBox On PostBack?
Mar 25, 2011I have an application that is supposed to accept checks. The user has 2 radio buttons. The first radio button has a drop down list associated with it which contains the masked numbers of their previously used checking accounts.
The second radio button has three text boxes and an image of a check associated with it.
When a user hits this page, the three text boxes and the check image associated with the second radio button are disabled. Then, if the user decides he/she wants to use a new checking account, they can click the second radio button and that fires the Javascript that enables the three check boxes and the image of the check associated with that second radio button. If they click on the first radio button, it will re-disable the text boxes and hide the check image associated with the second radio button.
The problem happens when I do my server side validation. After validating all text fields, if there is a problem, I just fall out of the bottom of the code, the page posts back and the labels above the offending text fields show an error message.
One caveat: The Javascript that is supposed to fire on the OnClick event for the first radio button fires and the text fields for the second radio button are disabled. The user can click on the second radio button and the fields will enable, but this is very clunky.
Here's the enable code where I am injecting the Javascript:
Private Sub JavascriptInject()
Dim sEnableControls As String
Dim sDisableControls As String
[Code]....
Disable Validation In Order To Keep Some HTML On Postback?
Oct 3, 2012I have a div where I put a lot of stuff on runtime to construct a chart. The user should be able to copy the chart to another div (innerHTML) and then make som adjustments to the original div, which causes a postback. Of cours the cloned div comes back empty.
So I'm thinking of putting the entire innerHTML in a session variable at page_unload, but then I run into the validation problem. I've tried using a hiddenfield as an in-between control, but it's the same, and it seems you can't use the CausesValidation on that control. I've also tried a regular asp:textbox, but the CausesValidation doesn't have any effect.
How to do this? Or any better way all together on the copy-chart issue?
Web Forms :: Custom Control Disappears After Postback
Jan 7, 2011I am creating a custom control to show message to the user. The custom control is having 2 labels and one button.
I dragged the control in aspx page .
<cc1:MessageBox ID="MessageBox1" runat="server" />
Then i am calling a methos called show to show message to the user.
MessageBox1.Show("applicationname", "Message");
Disable Button In Ascx Page Prior To Postback?
Mar 2, 2011How do I disable a button in an ascx page? I know how to do it on an aspx page with:
btnSave.Attributes.Add("onclick",
"this.disabled=true;this.value='Please Wait...';needToConfirm=false;" +
ClientScript.GetPostBackEventReference(btnSave, "").ToString());
But the ClientScript function is not present in the ascx page.
Web Forms :: Custom RadioButton Loses Checked Value On PostBack?
Jan 28, 2010I am creating a control that inherits from the RadioButton, so that I can set the GroupName property manually. Everything is working okay apart from the fact that when the page posts back, the RadioButton becomes unchecked if it has previously been checked. This is the first time I've tried inheriting from controls, so must be doing something really silly. I would welcome anyone helping me to improve my code so that the control's Checked value persists through postbacks. I am causing a postback using a button, not the actual RadioButton itself, if that makes any difference. Here is my code:
[Code]....
Javascript - Disable Button In Update Panel On Async Postback
Sep 30, 2010I have multiple update panels with various asp buttons on a single page. I want to disable the buttons which caused the postback in update panel untill it completes.
Is there a way to avoid using a third party control for this? through JQuery or any other method ?
Web Forms :: Custom Control Bindable Property Lost Value After Postback?
Mar 24, 2010I am using: .NET 2.0, VS2005
I customized a button from System.Web.UI.WebControls.Button (it is a Custom Control, NOT an User Control, no ascx file)the intention is to adding a OrderID property to the button, that can be bound to a datasource field.
Here is how this control is used in a aspx page:
[Code]....
Here is my definition of the MYButton class, it saved in a .vb file and placed in App_Code folder
[Code]....
Here is the code trying to use the OrderID in btnSave_Click()
[Code]....
The problem is OrderID is always returned as 0.
When first time page is loaded, and gridview is bind to a data source, I step through the code, and the OrderID property are set correctly, but after the postback caused by the button, the OrderID value has lost.