RadioButtonList - Add The ListItem Values In The Code-behind Within A For Loop
Jan 27, 2011
Is it possible to add the ListItem values in the code-behind within a for loop? If so, what is it? Here is my current code:
rblContentTypesGetAll.Items.Clear();
for (int i = 0; i < dt.Rows.Count; i++)
{
rblContentTypesGetAll.Items.Add(dt.Rows[i]["contentType"].ToString());
}
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Similar Messages:
Mar 3, 2010
I have a RadioButtonList with two ListItems included:
<asp:RadioButtonList runat="server" ID="optRollover" OnSelectedIndexChanged="RolloverOptionSelected" AutoPostBack="true">
<asp:ListItem Value="0">100% </asp:ListItem>
<asp:ListItem Value="1">Less than 100%</asp:ListItem>
</asp:RadioButtonList><br />
On the first ListItem I need to have a label that displays some text from the code behind of the page. Logically it seems to me like I would be able to do something like this: 100% Obviously this does not work because I am getting an error: The 'Text' property of 'asp:ListItem' does not allow child objects.
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Jan 11, 2010
I have a RadioButtonList with three ListItems, like this:
[Code]....
TrueRuleCondition, FalseRuleCondition, and CustomRuleCondition are protected constants in the code-behind file that I want to use as the values for my listitems. Unfortunately, the values get treated as literal values instead of having the values of the variables inserted. Does anyone know of a way to do this or why this doesn't work as I expect it to?
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Mar 8, 2011
I am using jquery and c# to dynamically set a radiobuttonlist listitem to selected. I want to create a reset-type button to reset the radiobuttonlist selected item back to the first item in the list. jQuery/jsTree function currently reseting textbox and hidden field:
$('#ContentPlaceHolder1_hfNodeID').val('');
$('.txtPage').val('');
$('.rblContentTypesGetAll').val();
$('.contentPageForm').show(),
.rblContentTypesGetAll is the radiobuttonlist i want to reset (or select the top most listitem).
HTML of the form:
<asp:Panel ID="PagesForm" CssClass="contentPageForm" runat="server">
<asp:HiddenField ID="hfNodeID" runat="server" Value="" />
<table>
<tr>
<td>Page</td>
<td><asp:TextBox ID="txtPage" CssClass="txtPage" runat="server" /><span class="validate">*</span><br />
<asp:RequiredFieldValidator ID="rfvPage" runat="server" CssClass="validate" ControlToValidate="txtPage" Display="Dynamic" ErrorMessage="Page Name Required" ValidationGroup="page" /></td>
</tr>
<tr>
<td>Content Type</td>
<td>
<asp:RadioButtonList id="rblContentTypesGetAll" CssClass="rblContentTypesGetAll" OnLoad="rblContentTypesGetAll_Load" runat="server" >
</asp:RadioButtonList>
</td>
</tr>
<tr>
<td> <asp:Button ID="Submit" runat="server" OnClick="PageSubmit_Click" Text="Save" ValidationGroup="page" />
<asp:Button ID="Cancel" runat="server" OnClick="Cancel_Click" Text="Cancel" />
</td>
</tr>
</table>
</asp:Panel>
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Sep 23, 2010
I must be doing something wrong here but I can't find an easy way to get this to work. Imagine the following code:
<asp:RadioButtonList ID="MyRadioButtonList" runat="server">
<asp:ListItem Value="<%= CompanyName.SystemName.Constants.PaymentFrequency.FREQUENT.ToString() %>" Text="Yes" Selected="True"></asp:ListItem>
<asp:ListItem Value="<%= CompanyName.SystemName.Constants.PaymentFrequency.ONCE.ToString() %>" Text="No, Just do this once"></asp:ListItem>
</asp:RadioButtonList>
But it doesn't compile the statement before it renders the page. So if I get the selected value of this radiobuttonlist it contains something like "<%= Compan... %>" instead of what my constant defines.
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Jul 22, 2010
I have 2 radiobuttonlist in a web forms, each contains of 4 ListItem. So there are 8 ListItems in total. It is initialised such that none of the ListItems is selected. I want to validate that at least one of the ListItems is selected when submit button is pressed. How to do it? i.e. at least 1 ListItem is selected, either from radiobuttonlist1 or radiobuttonlist2.
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Jul 22, 2010
I have 2 radiobuttonlist in a web forms, each contains of 4 ListItem. So there are 8 ListItems in total. It is initialised such that none of the ListItems is selected. I want to validate that at least one of the ListItems is selected when submit button is pressed. How to do it? i.e. at least 1 ListItem is selected, either from radiobuttonlist1 or radiobuttonlist2.
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Jun 29, 2010
I have two radiobuttons in radiobuttonlist and based on selection, i am enabling and disabling the text box.
First time i used date radiobutton and i took date in corresponding textbox and i saved it into database and then when i came back on same page i saw the date radiobutton is checked has proper value then i clicked on another radiobutton and this time page is postback and clear my all the data which was in my other controls(I have 5-6 text boxed on my page). I dont know why?, It supposed to select my other radiobutton and enable the corresponding text box
[Code]....
if (!Page.IsPostBack)
{
if (gvCredentialTypes.SelectedIndex >= 0)
{
CredentialType credType = CredentialType.FindCredentialType(gvCredentialTypes.SelectedValue.ToString());
if (!String.IsNullOrEmpty(credType.CredentialTypeName)) //If exists, load data
{
String expDays = credType.ExpirationLength.ToString();
DateTime expDate = Convert.ToDateTime(credType.ExpirationDate);
// Assign the value to the controls
LoadExpirationDaysDateValue(expDays, expDate);
}
}
}
private void LoadExpirationDaysDateValue(String expDays, DateTime expDate)
{
// Determines whether value for Days or Date is present
Boolean IsDays = false;
// Check if days value is present
if (String.IsNullOrEmpty(expDays) || expDays.Equals("0"))
{
txtExpirationDays.Text = String.Empty;
}
else
{
txtExpirationDays.Text = expDays;
IsDays = true;
}
if (expDate.ToShortDateString().Equals ("1/1/0001"))
{
txtExpirationDate.Text = String.Empty;
}
else
{
txtExpirationDate.Text = expDate.ToShortDateString();
IsDays = false;
}
// Set the radio button value based on whether Date or Days value is present
if (IsDays)
{
// Get ref to the 1st radio item
ListItem liExpirationInDays = rbExpiration.Items.FindByValue("rbExpirationInDays");
if (liExpirationInDays != null)
{
liExpirationInDays.Selected = true;
rbExpiration.Items.FindByValue("rbExpirationDate").Selected = false;
txtExpirationDate.Text = string.Empty;
txtExpirationDays.Text = expDays;
// Enable or disable the controls based on the radio button selection
txtExpirationDays.Enabled = true;
RequiredFieldValidator1.Enabled = true;
RangeValidator1.Enabled = true;
txtExpirationDate.Enabled = false;
RegularExpressionValidator1.Enabled = false;
CalendarExtender2.Enabled = false;
//compDateValidator.Enabled = false;
RequiredFieldValidator2.Enabled = false;
}
}
else
{
// Get ref to the 2nd radio item
ListItem liExpirationDate = rbExpiration.Items.FindByValue("rbExpirationDate");
if (liExpirationDate != null)
{
liExpirationDate.Selected = true;
rbExpiration.Items.FindByValue("rbExpirationInDays").Selected = false;
txtExpirationDays.Text = string.Empty;
txtExpirationDate.Text = expDate.ToShortDateString();
// Enable or disable the controls based on the radio button selection
txtExpirationDate.Enabled = true;
RegularExpressionValidator1.Enabled = true;
RequiredFieldValidator2.Enabled = true;
CalendarExtender2.Enabled = true;
//compDateValidator.Enabled = true;
txtExpirationDays.Enabled = false;
RequiredFieldValidator1.Enabled = false;
RangeValidator1.Enabled = false;
}
}
}
private void EnableCorrespondingTextbox()
{
switch (rbExpiration.SelectedItem.Value)
{
case "rbExpirationInDays":
txtExpirationDays.Enabled = true;
RequiredFieldValidator1.Enabled = true;
RangeValidator1.Enabled = true;
txtExpirationDate.Text = String.Empty;
txtExpirationDate.Enabled = false;
RegularExpressionValidator1.Enabled = false;
CalendarExtender2.Enabled = false;
RequiredFieldValidator2.Enabled = false;
//compDateValidator.Enabled = false;
break;
case "rbExpirationDate":
txtExpirationDate.Enabled = true;
RegularExpressionValidator1.Enabled = true;
RequiredFieldValidator2.Enabled = true;
CalendarExtender2.Enabled = true;
//compDateValidator.Enabled = true;
txtExpirationDays.Text = String.Empty;
txtExpirationDays.Enabled = false;
RequiredFieldValidator1.Enabled = false;
RangeValidator1.Enabled = false;
break;
}
}
protected void OnSelectedIndexChangedMethod(object sender, EventArgs e)
{
EnableCorrespondingTextbox();
}
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May 17, 2010
have been trying to find radiobutton list in my content page which is in an update panel with no luck. I tried the below code:
Dim content As ContentPlaceHolder =
DirectCast(Me.Master.FindControl("ContentPlaceHolder1"),
ContentPlaceHolder)
[code]...
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Mar 4, 2010
I have the following Dropdown List
[code]....
My problem is that some of the users that used to be in the list have left the company so we want to mark them inactive. When they are inactive they should not show up in the DDL to be selected to be assigned to. But there are existing records that they are already assigned to. If they are no longer able to be assigned their is a column called IsActive in the db that is set to 0. The Datasource filters for only == 1 when filling the datasource.
When it tries to render the control where a selected value is not in the list the Browser throws an error. I can not seem to find an event where I can intercept and set a value that is legal.
The solution I would like would be to add the listItem to the Control in the code behind then call the bind("AssignedTo") in the code behind instead of in the aspx page. This way linq would still handing the update of the DB record for the update event.
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Dec 13, 2010
I have a web page with several panels. I one particular panel, I have several radiobuttonlist controls. I added a LinkButton to my web page and when clicked, I want to clear the values in all my radiobuttonlist controls. I have this so far:
Protected Sub ClearRBL(ByVal sender as Object, ByVal e as EventArgs) Handles lbClear.Click
Dim ctl as Control
For Each ctl In Page.Controls
If TypeOf ctl Is RadioButtonList Then
DirectCast(ctl, RadioButtonList).ClearSelection()
End If
Next
End Sub
But this does not work. The If TypeOf ctl Is RadioButtonList Then line never finds a RadioButtonList control. How can I make this work?
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Sep 17, 2010
I have a tag:
<asp:ListItem
CssClass="LabelCSS">Executive</asp:ListItem>
and I am getting the error message
Validation(ASP .Net):Attribute CssClass is not a valid attribute of element ListItem.
What attribute would I use for Css with ListItem?
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Jan 28, 2010
I have some files listed on a listbox and want to upload them to the server. The values doesn't need to be selected. But I can't even get it working. Below is my source code:
[Code]....
Where is the bug in the code above?
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Jan 31, 2011
I have a requirement that i have to send few values through querystring to other domain.
Ex: My Domian is [URL]
Other Domain is [URL]
Now, In a for loop i have send values to the other domain through url like [URL]
But i have to get response then only i have to send second record. like [URL]
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Oct 12, 2010
I have a situation where I need to generate multiple sets of radio buttons. These radio buttons display One to Many relationship data.
I know how to get it to work with a workaround that I used back in Classic ASP days ... in which I essentially just spit out the HTML dynamically and keep track of my controls using systematic IDs. Which is nothing more then an Primary Key appended to a string constant i.e. String.Format("Dynamic_{0}", myChildRecordPKValue) so my HTML looks like this:
[Code]....
Note that I am using a javascript function which updates a hidden field with the selected value (Each parent record has a corresponding hidden field). So after making selection user will hit the submit button and I get my values using Request.Form[myHiddenField1] and so on ...
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Feb 18, 2010
here is (part of, its 50 items long) the radiobuttonlist
[Code]....
and i use the value of the 'Value' attribute to make a selection
[Code]....
then I want the 'text' property of SelectedItem to be in the subject line of an email
[Code]....
but no matter what i do, it uses the 'Text' property of the first item in the list that has the same 'Value' as the one from the selection
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Oct 7, 2010
I am populating a radiobuttonlist in codebehind:
Code:
[code]....
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Mar 21, 2011
I have a radiobuttonlist and what im trying to do is throw an error label when the user fails to select the button from the list. Im doing this in a switch statement in my code behind but I keep getting the error 'object reference not set to an instance of an object" but i dont get why is throwing that error since im saying to get the value of the list and if nothing is selected then throw the default case. here is my code: [Code]....
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Jan 4, 2010
I have some server controls both textboxes and drop down list box's that I placed on a panel control. My question is I would like to loop through the controls textboxes and drop down list and clear all values.
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Oct 30, 2010
I have a gridview with a RadioButtonList I need to populate. It is as such"
[code]....
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Aug 25, 2010
I'm trying to populate my form that is made up of RadioButtonLists, a Text Box and a DropDown via Code Behind. WHen I run it, the Text Box and the DropDown populate, but the RadioButtonLists do not. I'm guessing it has to do with the SelectedValue command, but I'm not sure what to use. Here is my aspx page:
[Code]....
Here is my code behind: [Code]....
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Jan 23, 2011
I am at my wits end (again).
(reservation system, guest signs up and at the same time checks checkboxes to indicate their wishes)
[Code]....
[Code]....
[Code]....
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Aug 19, 2010
This was working fine and then I was tinkering around and I can't figure out what I did to break it. When I stepthrough the debugger, the for each stmt cannot read values from the radiobutton list or the textbox, it only show "" for each. I double checked the id names between the code behind and the markup.
[Code]....
[Code]....
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Jan 28, 2011
I have a scenario where a RadioButtonList needs to be in disabled mode by default and then on some event on client side, say, when a checkbox is checked, it needs to be enabled.
But once I disable it from code-behind, the javascript part of enabling it doesn't work.
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Sep 20, 2010
I am using the jQueryUI buttonset on an ASP.NET radiobuttonlist. I need to get the selected value in server-side code when the page posts back. If I don't apply the jQuery buttonset, this is of course easy enough - just grab "SelectedValue". However, when I do apply jQuery buttonset, the selected value does not appear to be available on postback any longer. Is there any way around this, or do I need to get the selected value on clientside, and then pass it back myself?
<asp:RadioButtonList ID="RadioButtonList0" CssClass="ratingButtons" runat="server">
<asp:ListItem Text="Option1" Value="1"/>
<asp:ListItem Text="Option2" Value="2" />
<asp:ListItem Text="Option" Value="3" />
<asp:ListItem Text="Option4" Value="4" />
</asp:RadioButtonList>
$(function () {
$(".ratingButtons").buttonset();
$(".ratingButtons").click(function () { return false; });
});
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