Forms Data Controls :: Repeater Won't Use DataSource - No Errors But Build Still Fails?
Jul 22, 2010
I figured I'd post here while I'm scouring the internet for a solution to my problem.
This code works:
[Code]....
My DataAccess method just uses the SQL statement and returns a dataset. If I comment out the repeater DataSource and DataBind lines, it will build successfully. And I know the dataTable has the information I want because I was able to step through and see it. If I leave in the DataSource and DataBind lines, I'm not even able to step through. I have no errors and no warnings, just build failed.
*EDIT* I apologize for the ugliness of this post, I don't know what happened. I changed the repeater to a DataGrid, and still got the Build Error without any errors. I went on anyway, came back, and now everything works fine. A little bug must've crawled in while I wasn't looking.
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Feb 9, 2010
I am trying to build a repeater dynamically through the code behind. I found this code on the microsoft site:
Protected Sub Page_Load(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles MyBase.Load
Repeater1.HeaderTemplate = New MyTemplate(ListItemType.Header)
Repeater1.ItemTemplate = New MyTemplate(ListItemType.Item)
Repeater1.AlternatingItemTemplate = _
New MyTemplate(ListItemType.AlternatingItem)
Repeater1.FooterTemplate = New MyTemplate(ListItemType.Footer)
Repeater1.DataSource = New String() {"one", "two", "three", "four"}
[Code]....
So this code works without throwing any exceptions, but what I would like to do is accessing the DataSource inside of Sub InstantiateIn(). I know you can access the DataSource in the front end using DataBinder.Eval and Container.DataItem, but is there a way to access the data during the InstantiateIn() Sub?
Or if there is another way to do this i'm up for trying that as well. Essentially I am trying to avoid writing asp.net code, instead I would rather write everything in vb (code-behind)
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Jun 3, 2010
I've been using a repeater to build a website's site map page by binding to the web.sitemap file. For example, to display 2 levels of links:
[Code]....
So far, everything works well. However, in some cases, I do not want to display certain pages in the site map. I've added a custom attribute to each node (nodisplay= 'true').How can i check for this attibute, and avoid it from being displayed by in the repeater.
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Oct 6, 2010
To me this should be much easier, but I can't seem to retain the values that are put in the Insert template upon a validation failure or when the sql fails. This will prevent the user from having to retype everything agin in the event of a failure.
As you can see I am using the Sub Insert_Click and not using an insert through the wizard. so the fields are unbound textboxes on the form. There are 2 dropdowns that provide choices for the other fields.
I pasted in the code using the text only option becuase the format was getting messed up. I probably need more background on why the fields are blanking out.
[code]....
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May 24, 2010
This is my Table Structure....
OrderNo Itemcode Name AQty BQty
AB1 001 A 50 60
AB1 002 B 50 50
AB1 003 C 50 40
AB1 004 D 100 120
AB1 005 E 100 100
AB1 006 F 100 80
AB2 007 B 100 95
I need The first resultset/Output like This....
OrderNo Itemcode Name AQty BQty Total
AB1 001 A 50 60 -10
AB1 004 D 100 120 -20
I need The Second resultset/Output like This....
OrderNo Itemcode Name AQty BQty Total
AB1 003 C 50 40 10
AB1 006 F 100 80 20
AB2 007 B 100 95 05
I dont need To show 002,005 coz itz Total is zero(0). Herr i need to show Record Based on OrderNo...
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Dec 22, 2010
I have this list of names where I want the location underneath each name but nothing is showing up. Is it not actually possible to bind the repeater's datasource to the items in the datalist because nothing is really selected in the datalist - it's just all there?
How do I need to be doing this?
[Code]....
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Jan 22, 2010
Can we convert the Repeater items back to a datasource?
At post back, I want to convert the repeater items into a datatable which is a datasource was given to the repeater.
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Jul 8, 2010
I am a more than a little confussled, my build succeeds with no errors but when I run without debugging only my error page shows up? I tried switching the custom errors to "Off" but it still shows up the error page.
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Jan 28, 2010
Here is the situation I have, I have a repeater inside a Usercontrol. The datasource is a IEnumerable<Investor> Exposed through a UserControl's Property. I have overridden the UserControl's databind event to set the Repeater Datasource before databinding the repeater. When it's not a postback, it databinds find and the events on the repeater item's controls fires up fine. But there is one event on repeater items (Delete Investor) which call back the DataBind of the UserControl after removing the Investor from de datasource. When this Event is called, it does all the work (deleting the investor and so on...) calls back the usercontrol's databind but when (within the usercontrol databind) the repeater is databinded again, the repeater items doesn't update (repeater items for investor not on the DataSource anymore still appears). My ItemDataBind doesn't even fire by then.
[Code]....
and code bedind
[Code]....
I Tried with both the Repeater Item Command and each LinkButton Event to see if it would make any difference, but none worked
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Oct 6, 2010
I have a need to add a new report to my page, the differnent parts of the page are all using a objectdatasource to populate the data. The new report because of all the data being returned i have started to use a repeater and a table in the ItemTemplate. Just binding the objectdatasource to the repeater works fine, but returns all the records and causes the page to be very long. I found this link for adding paging to repeater, but its setup different than what i have
[URL]
Is there any way to use what i have already and add paging to the repeater?
[Code]....
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Jan 27, 2011
I have a web page that has a repeater bound to a data source. I beed to change a label inside the repeater based on the data that is in each repeater item. For instance, for the first item it might be one thing, and for the next item the label may be something else. I am currently doing some processing in the prerender event, but I don't know if I can or how to access the data source fields there. Where and how do I get access to the data in each item so I can change the label text?
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Jan 15, 2010
I am using a 'SingleOrDefault' LINQ query with a Lambda expression such as:
Email email = db.Emails.SingleOrDefault(p => p.Email1 == Textbox1.Text);
If the textbox entry does not match anything stored in the table, how would I know and how could I deal with this situation in the code?
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Feb 22, 2010
We used to have sql server 2005 on our production web server. We recently moved it off to its own dedicated server. . Now we started getting these sql errors... A transport-level error has occurred when sending the request to the server. (provider: TCP Provider, error: 0 - An existing connection was forcibly closed by the remote host.)
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Mar 7, 2010
Connection Errors
[Code]....
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Apr 7, 2010
[Code]....
the the error say's that the "gender, address1, address2, postcode, TelNo, MobileT, ParentG and ParentGE" are all not declared. but as the code shows i've used dim to declare those feilds.
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May 12, 2010
protected void Page_Load(object sender, EventArgs e)
[Code]....
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Apr 19, 2010
I get the following error on the e.Command.Parameters("@latestRowId").Value line. It was working, but now not and I'm not sure why? Conversion from type 'DBNull' to type 'Integer' is not valid.
[Code]....
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Jan 31, 2010
got an example of a repeater inside a repeater (dataBound) code behind?
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Jan 18, 2010
I have a user control that displays a shopping cart in an ecommerce application.
The main cart display is a repeater that renders as a html table. In one of those table columns, there is another repeater to display people associated with the products int he cart (it's a repeater in case there is a line item >1 with multiple people).
I've added an ImageButton that I want to use to change the person associated with the item. At first, when I'd click on it I was getting this error:
Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
So as an experiment I disabled EventValidation on the page (not the control it's self) and now I do not get an error, but I also do not ever hit the breakpoint I set in the innermost repeater's ItemCommand event.
So I wonder how I might do this without disabling EventValidation, because this control will show up on multiple pages and we don't want to edit them all. Also, I'll need to know not only the repeater containing the control's row that the event came from but also the row index of the repeater containg this one. Is this possible?
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Jul 12, 2010
I have repeater in which I have 2 hyperlink in the footer of the repeater and I want that the hyperlink can navigate from the page_load
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Jun 17, 2010
I want to bind parent repeater item index in child repeater control using inline code not code behind side.
For example
[Code]....
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May 25, 2010
I'm so confused I wasn't even sure what to make the title so that it would make sense.
Here is what I have:
[code]...
I have links at the top of the page that are the letters A-Z. What I want to do is click on one of the letters, then show only the div IDs that start with that letter. I can't figure out how to do this since I'm dynamically creating the ID names. I had it set up nicely with Javascript and CSS, but the function call was inside the repeater. The layout is changed now, and I don't understand how to make the div ID available outside the repeater.
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Feb 6, 2011
I am using Nested Repeater repeater1 and repeater2 in my project . one button is there inside repeater2 but i cant use that button using e.commandname
so how to use that button and how to write code on it.
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Nov 12, 2010
what changed do I need to make to my code for it to achieve what I'm after.
At the moment I am getting a "cannot cast to type" error message with the below code.
I have also tried calling the ItemDataBound method in with the parent repeater tags and had no errors but when I clicked on the button it would just move back to the top of the page and would not hide or show any data. Also I have made the div style to none but the first record still shows its child but the rest don't.
[code].....
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Jun 8, 2010
I have a drop down with different domains(domain_id column) and a textbox (TextBoxComment) for comments. What I am trying to do is select the area, input a comment, click the button and have it save to the db. My connection string errors on compile.
[Code]....
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