Web Forms :: Required Field Valadator Not Working With Ddl And Update Panel?
Jun 28, 2010
I have a Required field valadator with an update panel and the following settings, also the sql to populate the ddl is at the bottom. I am looking at code I have in another website that works and its pretty much the same.
<td style="background: #dddddd; height: 19px">
<asp:DropDownList
ID="ddlFundno2" runat="server" Width="270px" />
<cc1:ListSearchExtender ID="lseFundno2" runat="server"
TargetControlId="ddlFundno2" />
</td>
<td style="width: 5px">
<asp:RequiredFieldValidator ID="reqPFN2" runat="server"
ControlToValidate="ddlFundno2"
ErrorMessage=" fund number is required"
InitialValue=""
Display="Dynamic"
SetFocusOnError="True">*
</asp:RequiredFieldValidator>
</td>
SELECT 0 as FundNo , '' as Display
UNION
SELECT DISTINCT [FundNo]
,CAST([FundNo] as Varchar(50)) + '-' + [FundName] Display
FROM [dbo].[Funds]
ORDER BY [FundNo]
I have a contact page with fields like E-mail Address, Name, Subject, and Message. I use a RequiredFieldValidator on each text box. They work fine when I test it with the Visual Studio built-in development server, but on IIS7, they don't work and they allow the Send button's click event to be fired.
I hosted my web application in IIS on windows server.Also i did mod_aspdotnet(i configured my aspx in httpd.conf of apache server in a linux box).now when i hit the URL of linux box...Im able ot view my aspx....but the problem is no button click event id fired and ASP validators are not working and the javascript written by me also not working.
I have a gridview that contains a textbox, a drop down, and a checkbox. The commandfield of the gridview has ShowEditButton="true". All of the gridview updating takes place in the "_OnRowUpdating" event. I have a Panel above the gridview with a table and some fields. Everything in the gridview works perfectly, the edit, the update etc., however, when I add a requiredfieldvalidator to the panel above the gridview, the gridview update functionality no longer works. e.g., clicking the update button does not appear to fire. If I comment out the requiredfieldvalidator, everything works fine.
I have a page where in there are various entry fields like name, registration number, country, state etc whcih are mandatory. On selection of country in dropdown,the state dropdown is filled and in the phone number boxes the country code is also filled simultaneously.
When I click on Save button it shows the required fields respective messages in the validation summary. When I select the country the state and country code are filled and the validation summary vanishes though I have not entered text in the other mandatory fields. None of the required fields messages are displayed though all fields except Country state and country code are filled.
I'm new to the world of Update Panels and i'm having a hard time figuring out how to use them properly.
I have a form that has a table(TABLE1)...and inside TABLE1 i am linking to a sql data source....at the bottom of the table i have a 'Add' button.
When the user clicks the add button...a modal popup appears (POPUP1) and inside the POPUP1 the user can click a link that can add a user...when the link button is clicked...a panel within POPUP1 is set to visible = true.
I have one update panel around the whole table and the add button...when i click add and then click the link to add a user....the modal popup disappears.
I'm using "open WYSIWYG" editor which can downloaded from "http://www.openwebware.com/" in my asp.net application. Which can be applied the style by using the following
It will add the styles there is no problem on this . My question is, i have a "Required field validator" for "txtMessage" text box(which is a asp.net server control). After attach the style to "txtMessage" the required field validator not functioning well.If i remove or comment the above script tag means it works fine. I don't knw whats the reason behind this.
I have a DetailsView on the page and I have made one of the fields a TemplateField. In the EditItemTemplate and InsertItemTemplate I have a DropdownList that is databound to a table in my Sql Server database. I wanted to add an initial value to the DropdownList namely "- select -" .
I set the AppendDataBoundItems property to true and added the initial value as a ListItem.Markup of the DropdownList
This works fine for new input. The problem is however that the database already has records that were entered through a Windows Application and many of these records has a null value in this field and exceptions are thrown when I tried to open these records and the system tried to set the SelectedValue of the DropdownList.After some more searching I found this help
This now solved the problem of opening a record where the value is null in the database, BUT now the RequiredFieldValidator is not validating anymore to make sure that a databound item is selected for this field and not the initial value "- select -". So basically now it is not checking anymore to see if valid input has been entered for the DropDownList and it accepts "- select -" thus it acts as if the field is not a required field anymore.
In short what is required is that I want to make sure that the user enters a valid selection in the DropDownList, but it must also cater for old records that do not have this field entered yet so that those old records can be opened in the DetailsView .Opening Old records (with null in that field):When these old records are opened in the DetailsView the DropDownlist should show "- select -" when the value in the database is null.
Saving records (old or new records):When saving the record in Insert mode or Update mode the RequiredFieldValidator should show that a valid input is not selected if the DropDownList is still on "- select -".
I have formview , there is save linkbutton & upload control, same for insert template & edititem template. both save butons have name 'LnkSave'. without update panel it is working. but with panel not. i used trigger for control but it gives error like ' already definition for LnkSave button' . i changed name of save button in edit item template, yet it's not working.
I have a aspx page with a ascx control inside an ascx control and the required field validator is not hit on the action of the page.
The issue is with the 2nd nested ascx control. The field validators in the first ascx control validate correctly, but with the ascx control inside the ascx control there are issues.
The nested ascx control is a repeater control and this may be the reason, but I am unsure.
I'm not exactly sure what question to ask, but I'll list a few below.
How do I attach the field validators up a level to the 1st ascx control?
Is it possible to put required fields into a nested ascx control?
I am using C# for my programming. I am facing issue, that my hidden variable value is not being updated when it is in update panel. Please see below code for aspx:
and below is the code where I am trying to update one of the hidden field with my CS code. Interesting, when I am trying to debug its showing all the values, however when I see it f on page source it doesn't give any value. Here is my aspx.cs code:
protected void Timer1_Tick(object sender, EventArgs e) { DataTable dtTrips = null; WEX.Prototype.Data.TripDA tripDA = new WEX.Prototype.Data.TripDA(); string tID = hidTripIds.Value; string[] tripIDs = new string[1000]; tripIDs = tID.Split(','); foreach (string tripID in tripIDs) { TripSummaryBO tripSummaryBO = tripDA.getTripSummary(Convert.ToInt32(tripID)); if (tripSummaryBO.tripLastEditedOnDate > Convert.ToDateTime(hidCurrentDate.Value)) { WEX.Prototype.Service.WSProxies WSProxies = new WEX.Prototype.Service.WSProxies(); dtTrips = WSProxies.Build(); Session["AllTrips"] = dtTrips; dtTrips = (DataTable)Session["AllTrips"]; if (dtTrips != null) { if (cnt==0) { hidTripDetails.Value = ("Trip name-" + tripSummaryBO.tripName + " was modified by user " + tripSummaryBO.tripLastEditedBy); } else { hidTripDetails.Value = hidTripDetails.Value + " <br/> " + ("Trip name-" + tripSummaryBO.tripName + " was modified by user " + tripSummaryBO.tripLastEditedBy); } BuildGridViewControl(dtTrips); cnt = cnt + 1; } } else { //upTripsGrid.Triggers.Clear(); PageInit(); } } }
I'm writing an app in which user can register. While registering the one may choose several options and according to these regiester fields are visible or not and are required or not. I came up with an idea that all fields will be in in the updatePanel and when users changes registration options I would set visibility of these fields on the server side.
It works but incredibly slow and whats more on the FF I have the given error:
The state information is invalid for this page and might be corrupted
3 checkboxes with other fields are in the updatePanel
Each field is in dl tag with runat="server>
I had to do it like that cause for "required" option I simply add css class to this dl (need in in javascript validation. If field should be visible I set visible="false" for given dl and then that field for example FirstName with title and so on isn visible after postback.
Am I doing something wrong ? Why does it take so long (~4 min on localhost) and in firefox it doesnt really work (when I use debug I think that process completes without errors on ff, I dont understand that at all :)
If update Panel is so weak what would be other option to change visibility and adding required class to all dls. Logic is quite complicated and has to make query to DB so simple javascript would be quite tricky.
Oh and I'm using ASP.Net and cant upgrade on this project.
provide the solution to the problem. must achieve the ajax type functionality for the controls of the page displayed within the iframe, the contents(button) withing the iframe are causing complete post back i have used update panel, script manger, on the main page and also on the pae displayed in the iframe even then post back occurs note i check this using the current time of day in the label. here are the codes.
I have added two update panels to my page. I'm trying to update the first panel but not the second. The second panel contains validation controls which seem to be kicking in no matter what I try.
I am working on an application where i have got, a content page within a Master Page. I have placed a gridview on the page. This gridview has three fields, one of them is TemplateFied, a BoundFiled and a CommandField, along with paging enabled in the gridview.
In the template field i am creating a dynamic javascript on RowDataBound.
I wanted to place this gridview in Update panel so that it doesnot re-loads when command is clicked or page is changed.
I placed a scriptmanager and an update panel, and placed the grid in it. Now my command field works only once and not more, and same is true for the javascript, it doesnt gets initilized.
