In my gridview I have fields for inserting a new record in the footer.
In my objectdatasource selecting event if no records came back I bind a single mock row to force the footer to show so they can still add records. Since the row does not contain real data I hide the row.
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i can assign a simple anonymous function and it works, but i'm having trouble with a more complex one.
i am attempting to disable an image button after it is pressed.
any alternatives would be welcome, but i think this is the recommended
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I'm trying to call a Page Method using a jQuery 'attached' event function, in which I like to use the closure to keep the event target local, as below, but page method calls declare several 'error' functions, and I would like to use one function for all of them. If, in the below code, I was handling an error and not success, how could I use my single, anonymous handler for all 3 error functions?
$(":button").click(function () {
var button = this;
PageMethods.DoIt(
function (a, b, c) {
alert(button);
});
});
This example passes an anonymous function for the success callback. There is only one of these. If I was passing an error callback, how could I use 'function (e, c, t)' for all 3 error callbacks?
ADDED: What I would like to do here is trigger an AJAX call whenever the user clicks a toggle button (checkbox), but to improve responsiveness, I want to toggle the button state immediately, and only 'untoggle' it if the AJAX call fails.
Now, in my client-side click() event handler, I would like to use anonymous functions inside the scope of click()' so that the functions have access to thethisevent argument, but I don't want to 'declare' three functions for theonTimeout,onError, and 'onAbort arguments of the PageMethods.MyFunction function. if I declare a named function outside of the click handler, it no longer has access to the 'this' parameter of the click() event handler.
I've been looking into how best to do this and wisdom would be appreciated. For read only purposes, I've been happily using LINQ and binding it to a grid. For editing purposes, I've used the LinqDataSource control, enabled the Edit/Delete operations in the process, and I have a nice editable grid bound to some or all of the table's fields.Now I have a situation where I want to edit a few fields in table A, but there are various values in linked table B that I want to display in that grid too (no editing of those). So my query looks like the below. The fields in tblDupes (cleared, notes) are what I want to edit, but I'd like to display those tblVoucher ones.
var theDupes = from d in db.tblDupes
where d.dupeGroup == Ref
select new
[code]...
A similar but different question LINQDataSource - Query Multiple Tables? sent me looking at scott Guthrie's blog entry http://weblogs.asp.net/scottgu/archive/2007/09/07/linq-to-sql-part-9-using-a-custom-linq-expression-with-the-lt-asp-linqdatasource-gt-control.aspx, where he handles various events to have a LinqDataSource with a custom query across tables. This still seems aimed at explicitly designed classes though, even if the class has only a subset of the fields.
So my question is: is there an easy way to allow committing of the changes made to the anonymous collection (a changes.Submit type action), or just an easy way to 'display' fields from another table while not involving them in the updating?EDIT: Thinking more, it doesn't have to be anonymous really. I'd be happy to define a class to contain the elements in that query, since it won't change often. But, those elements would be across two tables, even though only one needs updating. Not sure if that suggests entity framework would be more suitable - I get the feeling it wouldn't - I don't want the whole 'model' always grouping the fields in this way.
I want to pass to an array of controls' IDs to a javascript script function so it will switch control's enable state.
For example, in C# it would be like this:
func(false, new[] { "Control1", "Control2", "Control3" });
In that function I want to find corresponding controls and disable/enable them. For one control I do this next way:
<script type="text/javascript" language="javascript">
function switchControls(value, arr) {
for (var n = 0; n < array.length; n++)
document.getElementById([n]).disabled = value;
}
</script>
<asp:CheckBox runat="server"
onclick="switchControls(this.checked,
[
'<%= Control1.ClientID %>',
'<%= Control2.ClientID %>'
])"
Text="Take?" />
How to implement this properly? Have I to use jQuery?
I am currently implementing a client-side paging solution using ASP.NET, jQuery and JSON.
I have been following the excellent article from encosia: http://encosia.com/2008/08/20/easily-build-powerful-client-side-ajax-paging-using-jquery/
In my Web Method I retrieve my data from the database as a DataTable:
DataTable categoryProducts = ProductViewerAccess.GetCategoryProducts
("AA", 4, 0, Page.ToString(), out howManyPages, "FALSE", 0, "CostPrice", "asc", destinationList);
I then retrieve the data from the DataTable into an anonymous type:
var feeds =
from feed in categoryProducts.AsEnumerable()[code]....
This all works great.
However, I would like to extend the code to perform some evaluation checks (e.g., check that various columns in the DataTable are not NULL) and other pre-processing (e.g., call various functions to build the image URL based on the image ID - which is another column in the DataTable not shown in the code fragment) before I return the resulting rows of the DataTable as an anonymous type to the client-side.Basically, I want to iterate through the DataTable, perform the evaluation checks and pre-processing, while building my anonymous type manually as I go. Or maybe there is a better way to achieve this?
How can i trigger a row click event in asp.net grid view
View 2 RepliesI am creating a menu at runtime, containing this:
Code:
dividor3 = "<td onmouseover=""shomainlinks()"" style=""z-index:13001; font-weight:bold; width:10; vertical-align:center; color:rgb(180,30,40);"">»</td>"
The menu (there are other string components as well) is then added to a div as a literalcontrol.
Code:
<div id="mainlinks" class="tpsubmenu" runat="server" style="z-index:13000;"></div>
Everything works. But when I assign a css class to the div, the shomainlinks() function doesn't fire. Otherwise it does.
Code:
.tpsubmenu{position:absolute; display:none; width:300px; border:1px solid rgb(200,140,80); background-color:rgb(250,250,250);}
I should also tell you that I have another string, dividor4, identical but for the name of the function that does not have css styling, and that one works as it should.
how to fire javascript function with update panel e.g is like i pur my registration code in update panel and after submit button click i.e filling all registration information i want to show message that ur successfully register(Javascript) may i know how to fire javascript
View 2 RepliesI need to trigger a C# code behind function right after an ASP.NET page is completely displayed. Is there an event to program? If not, do how to do it?
View 4 RepliesI have embedded an ImageButton inside a GridView.Now I am using a loop to just make the ImageButton visible on the first row and that works great. I use the FindControl to do that and are also putting an Image to that button on the first row.Now is my problem this that this button also needs to have an URL attached to it so when pressing this button it will be possible to open up a Browser with this URL attached to it. I need to use the code that I have in the ImageButton6_Click event as this code is working with IE, Firefox etc... It seems that I should have gotten this correct but dont know why the ImageButton6_Click event isn´t firing when pressing the button. What I get is an Errorpage that says "Invalid postback or callbak argument" etc...
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I'm working on an ASP.net application.I had a problem with a user control I'd designed called LocationSelector. It worked great, but I couldn't use it within an ASP:UpdatePanel. I learned, by browsing SO, that I needed to put my in-line javascript in an external file and register it with ScriptManager so that there are no Response.Write calls in the Javascript.Next, I discovered that the control worked at first, but when I enclosed it within the ASP:UpdatePanel, it would stop functioning after the first AJAX postback. I read that to fix that, I needed to replace my $(document).ready call with function pageLoad() which is automatically executed with each ASP.net page load.
Several of my pages in my ASP.net application work fine (and I was really impressed with how well the framework seemed to drive the application). However, to my dismay, I discovered that my LocationSelector control no longer works at all on three of my pages. The HTML renders, but the pageLoad (which uses jQuery to bind events on control elements) does not fire.I verified this but putting alert('pageLoad'); as the first line of my pageLoad function. On the pages that work, I see the alert. On the pages that don't work, I never see the alert, even on the initial page load.What kind of problem could be causing the pageLoad function on my user control LocationSelector to execute on some pages, but not others?
Can not fire Grid View RowEditing event in page load?
I have a grid view , select the grid line item from popup when click the image button which is located in header template. When click the select button in popup window , fill up the grid row and allow to edit the quantity text box.
In page load
If Page.Request.Params("__EVENTTARGET") = "ctl00_popupField" Then
AddHandler grdDOLineItem.RowEditing, AddressOf grdDOLineItem_RowEditing
End If
Protected Sub grdDOLineItem_RowEditing(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewEditEventArgs)
'bind the grid view row
End Sub
I have a grid view and a image button in Item templete. when i click first time in this bitton is not fire but i click second time is fire.
View 1 Replies--AND (CONTAINS(O.OrgName, N'"3 step*"')) ORDER BY O.OrgName ( Contain function fails for a string with single character followed by space)
AND O.OrgName
like
'3 step%'
ORDER
BY O.OrgName(Works
perfectly fine)
Contain function fails for a string like 3 step, @ fire etc which has single characters followed by space.
I have developed a web application which contains aspdotnet treeview control. In this treeview control has binded with some database value.. that controls has one parent node and more than one child nodes for each parent node.
my problem is here, when the user clicks the parent node, I need to fire a javascript onclick function before the server side event(SelectedNodeChanged) called..
If I provide javascript to the parnet node when it is binding, then I could not fire the server side event(SelectedNodeChanged).
How to provide onclick javascript event for parent node in treeview control even the parent node has SelectedNodeChanged event.
div onclick fire function(on code-behind code) with ASP
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in aspx page
<cmp:MenuItemInfo Text="Delete" onclick="javascript:deleteRow('## DataItem.ClientId ##')" />
In Javascript
function deleteRow(rowId)
{
Projectgrid.deleteItem(Projectgrid.getItemFromClientId(rowId));
}
but the arument is coming as a string '## DataItem.ClientId ##' instead of correct clientID.
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How to write Grid view line in code behind using function
I am in the process doing drag n drop for gridview by column cell. For example: there is 5 cell in a column, user are able to drag the first cell and drop it as 3rd cell.I have find through the internet but has find no resource on it.
View 1 Repliesi have a grid view control
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Here change_scheduleDate function is executing every time for every row but i need to execute this function only when value change in txtdate textbox or same case i need if i create textboxchange event at serverside here i am updating txtdate value in database when text box value changed
i need to know if this can be done :
i have a grid form with 3 fields field1 & field2 & field3.
in the insert statement the field 3 gets a javascript function result that uses filed1 & 2 values.
Now what i want in the grid view update statement is : to call the @field 1 & @field2 from the update statement to a similar javascript function..(do soem calculation ) and then re-assign the java function result to the @field3 variable in the update statement..
(//// Or simply what i want is to do the same calcultions onthe fields while perfoming an update operation.. //).
how can i perfom the calculations in a grid view update statament ..
I read this
[URL]
and I was wondering if there's anyone that can explain to me what Prerender should do, for example for a button or a calendar component.
I can't imagine it; can you show me few lines?
I have been led to believe that the best point to bind your controls is the PreRender. As all the controls are ready and this is the last stage before rendering etc. Is this correct or should controls be bound at a different point?
View 2 RepliesWould a call to a database be called if you put the databind method in the PreRender event of a listbox and the listbox was rendered on the screen for example? This is a specific example regarding a listbox, but basically does code in PreRender only get called if the control is rendered on the screen. If this is so, is it good practice to put code into PreRender such as databinding?
View 1 Replies
