Asp.net - Field Validation In Repeater Control
Feb 28, 2012
I have a question related to asp.net and vb.net. I have a repeater control that I bind some data to and allow users to update/change fields within certain text boxes. I added a validation control to trigger when the user doesn't enter a valid date or the text "TBD". On submit, I want to go through and highlight each field where its corresponding validator is not valid. This is my current code, but I am lost as to how to find the text box control.
Sub ValidateDateField(ByVal sender As Object, _
ByVal args As ServerValidateEventArgs)
'validate against three conditions - date, "TBD", and "N/A"
[Code].....
how to get cont = textbox1row1 of my repeater control.All examples I have seen so far directly state the control as in text1.BackColor =
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Apr 20, 2010
I have a Repeater... And it has a Weight field. the weight it displayed in a textbox. I have this piece of code:
lblTotalWeightCalc.Text += NewDV.Item(i)("Weight")
This will get the Weight and display it in my label. But when I select more than one item (which will have two weights) it will show: For Example:
Item #1 : Weight = 20
Item #2: Weight= 50
The total Weight= 2050 (it doesn't add them together) I need them to be added together....
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Feb 25, 2012
I'm trying to produce a repeater showing amounts of money taken by various payment types into a table.Payment types available come from a global settings file as an array, I am creating a dataTable by looping this list and extracting sales reports (there might be a more efficient way than this loop, but this is not my concern at the minute).My question: How do I bind this to a repeater and display it when I dont necessarily know the table column namesI've tried various methods to give the table a header row and give the columns numerical names from a for > next loop, but am either getting no results, orystem.Data.DataRowView' does not contain a property with the name '7'. < or whatever numberThis is where I currently am:
EDIT: JUST REALISED MY CODE WAS AWFUL, SO UPDATED:
Dim paymentTable As New DataTable("paymentTable")
For j = 0 To UBound(paymentTypes)
[code]....
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May 4, 2012
This seems like I only need a line or two of code? This is what I need to do:
Add data validation to the new phone field on the Contact Us form. We would only accept phones with the following format: 995-999-9999 Complete the contact us form so that you can submit it as an email. Send all your test emails to blah@boo.net. You can use any email account you have to send the email.
[Code]...
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Nov 5, 2010
Add data validation to the new phone field on the Contact Us form. Wewould only accept phones with the following format: 995-999-9999Complete the contact us form so that you can submit it as an email. Send all your test emails to blah@boo.net. You can use any email account you have to send the email.
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Dec 18, 2010
I need to set validation on a textbox where the user types in their email address... This is not a required field though so I want to allow the form to be submitted if the textbox contains the default text ("Email address").I've posted the code i have already to ensure a valid email address is typed.
<asp:RegularExpressionValidator CssClass="errorpopup" Display="Dynamic" ID="regexpEmail"
ValidationGroup="mySubmit" runat="server" ErrorMessage="<strong>Please enter a valid email address.</strong>"
ControlToValidate="tbEmail" ValidationExpression="w+([-+.']w+)*@w+([-.]w+)*.w+([-.]w+)*"
SetFocusOnError="true" />
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Sep 8, 2009
Is it possible to put Number validation in required field validator in asp.net text box?
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Nov 12, 2009
I have a problem with the Validation of a Integer-Field in my application.Its an Access DB on a Windows Form.I implemented the validation in DataSet.vb using an ErrorProvider on my Form.The field name is FNr and should not accept duplicate numbers.If the field value is changed, a query checks if the number already exists in the Datatable and if so it sets the error on that field.If the user tries to change the field to a number which is a duplicate I want to cancel the input back to the original number. This works but the
Error message is still shown by the ErrorProvider.The code is partially in DataSet.vb and in Form.vb
Public Class Funktionen
Private Sub FunktionenBindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles FunktionenBindingNavigatorSaveItem.Click
Me.Validate()[code]......
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Feb 25, 2010
I have an field, Address2, which is optional. Thus if it is null, no validation rules apply. However, if a value exists, its length cannot be greater that 255 characters.
I have been toying with:
<StringLengthValidator(0, RangeBoundaryType.Inclusive, 255, RangeBoundaryType.Inclusive, MessageTemplate:="Address 2 can be between 0 and 255 characters in length.", Ruleset:="MyRules")> _
But if it's not present, I still get an error.
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Dec 21, 2011
I have a form on an asp.net (VB) page which has 2 sections.
All of section 1 is always required, but section 2 is optional. However, if section 2 is started, then all fields are required.
I'm stuck as to the logic I need to create this validation.
Here's my code:
<form runat="server">
<div>
<asp:TextBox runat="server" ID="field1a" Text="Name" />
[Code].....
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Jul 18, 2011
Does vb 2010 have a 'REQUIRED" property or control that allow you to make a textbox a "required" field? I googled and saw something about required property in controls in toolbox but somehow I could not find it anywhere in my vb 2010 toolbox. Would it be easier to write it? Does anyone have sample code?
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Sep 24, 2009
Is there a way to access the field header name of a databound repeater within the header template. So insted of this....
<HeaderTemplate>
<table >
<th ></th>
<th >Forename</th>
[code]....
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Apr 11, 2012
How can I access rep_DataSimilarToBacthid ? I need to bind the GridView and call GridView RowDataBound or InitializeRow
[Code]...
I am using VB.Net with Framework Version 2.0.
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Mar 28, 2011
i cant find the control txt which is a textbox in the repeater i have used the following on rgroups itemdatabound event
[Code]....
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Aug 15, 2011
As a follow up to my question Looping through a repeater control to get values of Textbox in asp.net
If user has entered a a quantity in the textbox, I want to get the corresponding ProductID value from the repeater control:
[Code]...
I am using FindControl to loop through the textbox (to see if user has entered a valid quantity). How can I get the value of the corresponding ProductID ?
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Mar 16, 2012
Am trying to add an 'odd' class to a table row in a repeater control..
<tr class="<%# If((Container.ItemIndex % 2 == 0), "even", "odd") %>">
I have verified that Container.ItemIndex returns the index number.This causes it to throw this error..First operand in a binary 'If' expression must be nullable or a reference type.I also tried replacing the % with Mod keyword but it throws an "Expression expected" error..
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Mar 9, 2011
I have 3 issues on the data repeater control (in VB.net): 1. How can I trap "the event that fires whenever a row (or similarly a textbox) is edited"?.
[I am able to "trap" events in the case when a new record is added with the help of the ItemsAdded" event, and also with the
help of "DeletingItems" event when deleting a row is in progress.]. I need to trap all these events so that I can "write" my own
[Code]...
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Nov 10, 2011
I am trying to bind a dictionary to a repeater control. I have a dictionary object which is filled with the Key (as String) and values as (Class object). I receive Object reference error when I try to DirectCast() the e.Item.DataItem to a Key-Value pair of that dictionary used for binding repeater. If you check the second screenshot, the e.Item.DataItem value is "Nothing" because of which I am getting Object reference error. What is the reason that the value is e.Item.DataItem is coming as Nothing?
aspx.vb code behind:
Private Sub PopulateRepeaterValues()
Dim tGetAddItemDtlIn As New nsFWTypeAdm.Item.cdtGetAddItemDtlIn
Dim tGetAddItemDtlOut As nsFWTypeAdm.Item.cdtGetAddItemDtlOut
Dim objItemDL As nsFWIDataAdm.IItemDL
[Code] .....
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Feb 9, 2011
I am following this tutorial to make a repeater control: [URL] I have successfully gotten as far as the tutorial, but I would like to make it editable. How could I get started?
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Oct 29, 2010
My whole websites makes use of the ASP.NET(2.0) repeater control and I have been getting some complains from people that they cant view my site as the controls are overlapping.This sounds like a browser issue to me as I never see it in IE8 or IE7 or Chrome or Firefox.
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Mar 15, 2011
I am using a repeater to build a custom table. However, I can't figure out how to make the table show subtotal if the next rows tour does not match the previous rows.
Something similar to that.
row1 tour1
row2 tour 1
tour1 subtotal
[Code].....
but this shows all the data in the nested repeater not the ones that match the parentrepeater fields for example tour,theme,dep7 should match in the child repeater
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May 31, 2009
I want to find the values from a number of dropdown controls inside a repeater control. I eventually want to build a multidimensional array, so I can loop through each item and add them to a database table.
<asp:Repeater ID="myRepeater" runat="server">
<ItemTemplate>
<asp:DropDownList ID="AdTitle" runat="server">[code].....
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Feb 7, 2011
So I currently have a aspx page that shows details for any single staff member, and the page is setup with mostly ASP labels. I have a subroutine called "getstaffdata" that populates the page on load (via subroutine).
I would like to convert this to a page that shows details on one staff member, or many staff members, one after another. So I thought of using the repeater control, but I'm not sure how to convert the page over. The staff userids are passed via query string, but I'm just confused on how to do the datasource for the repeater control.
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Sep 12, 2011
I have the following repeater
<asp:Repeater id="weatherFeed" Runat="server"><ItemTemplate>
<asp:LinkButton runat="server" id="PickInfo" onClick="Selection_PickInfo">
<img src="images/mapPin.png" title="<%#Container.DataItem("city")%>" />
</asp:LinkButton>
</ItemTemplate></asp:Repeater>
I'd like to call my function "Selection_PickInfo" using the Link buttons created, but I'm having the issue of not being able to actually pull information from these links.
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Nov 7, 2011
I'm writing a Repeater Control in an ascx file which renders some info as a row that comes from a complex search. In an aspx file I have the query to retrieve a DataView that gives me the XML string with the info needed to feed the Repeater. The problem is that I don't know how can I pass the XML string (or the DataView or DataSet) from the aspx to the ascx file so as I can render the info.
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Jun 11, 2012
In ASP.NET, using VB, how can i do this on the page itself, not in the code behind? [code]
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Aug 1, 2011
Assuming I have the following repeater.
[Code]...
But this has failed (The event is never raised)..
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Jan 27, 2011
Normally, when populating controls with data from a database I create a connection and then pass a SQL statement to create a DataReader. I then loop through the DataReader and populate the controls. Because I am creating the SQL statement on the fly I can query the database joining on multiple tables to get just the columns and rows I need.
Now I'm trying to use the Data Repeater control in VS 2010. The Data Repeater is part of the Visual Basic Power Pack add on. If you don't have it, it is similar to the Data Grid. I've never used the data grid because I found it lacking. I need more control on how to display the data. The data repeater seems as though it will work in this particular instance.
So, following the numerous on-line tutorials I created a new data source and a new dataset using the wizards. I pointed the dataset to a table in my data source and then bound the dataset to the data repeater. It works but the dataset is bound to a table. I can think of very few instances where I would need to dump the data from a table on to form. I need to be able to query the table.
I need to be able to pass a SQL statement to the dataset at run-time. It needs to be able to retain the bindings to the controls or I need to be able to bind the controls at run-time. No property jumps out at me for changing the dataset SQL statement at run-time. I can't see how to bind controls on the data repeater at time time. I can bind a data set to a data repeater at run-time, but I can figure out how to bind the controls to the dataset fields at run-time.
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Aug 12, 2011
I am trying to loop through my repeater control and get the textbox values.However, I am getting an error: {"Object reference not set to an instance of an object."}
my code is:
Dim txtField As TextBox
Dim j As Integer = 0
'Confirm if user has entered atleast one quantity
For Each item In rptRequestForm.Items
[code]....
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Aug 12, 2011
How can I set the column header text value for a repeater control?
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