C# - Operate With Html RadioButtons. Validation , Checking If Checked, Collecting Values?
Mar 24, 2011
I'm trying to make a .Net, c# application for online creating surveys. I have a few types of questions, and than I dynamicly put labels, combos, textboxes ... on the form. Up to this point, I somehow managed to get. Than, on click on add button, I write down the responses in html format using stringBuffer and append function. Example.
public string RetOptionalQuestion(string seq_numm, string question, string answersOpt)
{
StringBuilder _output = new StringBuilder();
[code]...
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Oct 22, 2010
I have an html checkbox that controls a list of checkboxes. I want this checkbox to display in a sorta "null" state where it is neither true nor false.
<HeaderTemplate>
<div style="width:90px">
Toggle:
<input id="chkAll"
onclick="javascript:SelectAllCheckboxes(this);"
runat="server" type="checkbox" />
</div>
</HeaderTemplate>
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Jan 4, 2011
I am creating a project that dynamically creates radiobuttons. So far, i'm done with creating those radiobuttons dynamically. My problem is getting the values from those radiobuttons. To get those values, I need to click the submit button, however it seems that the radiobutton value or the radiobutton itself is lost after I click the submit button.
here are my codes, though not my exact codes, it follows the same logic...
protected void Page_Load(object sender, EventArgs e)
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Apr 30, 2010
i have code to update multiple rows in a gridview. What I want is that if the row value is = 1 in the database then the row is checked otherwise it's not. I've put some pseudo code in below to illustrate what I want to achieve.
[code].....
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Aug 31, 2010
I am having around 15 tabs in my application, on change of every tab i need to validate each tab controls .
Is it possible to do client validations.
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Sep 18, 2010
I am beginner of asp.net and c#Currently i doing appointment website and need suggestions/ ideas. I have create a simple web form with Calender Control as picture below enable users to select date and time. At the calender control, i have set that users can only select tuesday and thursday every month using DayRender. After that i put a DropDownList to display the time.Next step, i want to store the data into database, for example UserA make appointment on Date 21 September 2010, Time 1100 and make it unavailable for other bookings. When UserB makes appointment on same Date and Time, it will display information that the slot is booked/unavailable. To implement this, what approach should i take?
[code]...
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Jan 28, 2010
protected void rptNavigation_ItemDataBound(object sender, System.Web.UI.WebControls.RepeaterItemEventArgs e){
if (!((e.Item.ItemType == ListItemType.AlternatingItem) || (e.Item.ItemType == ListItemType.Item)))
{return;
}string Name = string.Empty;
if (IsDBNull(e.Item.DataItem["FullName"])) {
Name = String.Empty;}
else {Name = (string)(e.Item.DataItem["FullName"]);}
Literal ltlLiteral = (Literal)(e.Item.FindControl("ltlLiteral"));
ltlLiteral.Text = Name.ToString();
I get error for IsDbNull - Error 1 The name 'IsDBNull' does not exist in the current context. What's the best way to check for null values returned from db? also I get errors on both lines where (e.Item.FindControl(ltlLiteral")); is present ERror: Cannot apply indexing with [] to an expression of type 'object'
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Aug 15, 2010
I would like to know the fastest/easiest way to check if a CheckBoxList control has any checked items or not, I'm talking about an entire checkbox list as a whole, not a single checkbox.
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May 12, 2010
How to write an if condition, to check to see. only one can have value not both at the same time.
txtResubmitNoDays.Text or cpuResubmitDate.PostedDate.ToString
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Aug 13, 2010
I want to know which fields were edited in a form in the Edit Action. I have a Log field in a table named "someTable" which I wish to add the change to, along with the Username of the current user. This is a simple implementation:
[Code]....
Can someone tell me where I am going wrong, because the getChangedAttributes function always returns an empty list (assuming because "backupTable" and "form" contain the same values? But shouldn't they be different?
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Jul 15, 2010
I am using the following code to load user selected HTML files in a Literal control :
[Code]....
Its all working good. Now I want to check, if an html file contains any thing in its body tag (no tag, no text nothing) or not. How can I do that ?
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Oct 7, 2010
I am using EF4 and ASP.NET MVC 2 for my web application. I am also using data annotations for my validation.
Is the following possible? If so, how would I implement it? I have a checkbox, and a from and to date. The from and to date are not required fields, but when the checkbox is ticked then the from and to dates are required fields. Then the required error must display.
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May 27, 2010
I have DropDownlist with Reqired field Validator control for validating initial value of DDL
Now if Checkbox is Checked then i have to disable the Validation of DropDown Selection else must validate the DropDownlist initial value.
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Mar 20, 2011
I have tinkered with this a bit, and would like to know how to require fields based on the status of the checkbox.
The page I am referring to is located at www.libertyhtc.com/billsubmit.aspx.
Under Step 3, say, if a user checked the Television box, the textboxes for service provider, and authentication would be required. the upload file can be left blank if the user chooses to do so. This would be true of the Internet, Home Phone, and Cell Phone areas.
Now, later on, once the user clicks submit bill, I would like to have it go to a page that would bring up a page with the service agreement. The service agreement would pull data that they just put into the form before clicking that button. This step is necessary to allow the user to print out the page for their records.
Finally, there should be a button that, when clicked, will send all the data in the first form (located at www.libertyhtc.com/billsubmit.aspx) to a specified email account. I have sent data to an email before, but the code sample I used wanted the stmp details and logon information in the source code of the page, and for obvious reasons, i dont want users to know this.
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Jan 24, 2011
I'm using C# and SQL Server. I have one gridview which contain 3 columns "ID, COMPLETED (either yes or no), BY (adminID that completed)" and adminID can be null.
If user selected "yes" in COMPLETED column then how can I make sure that adminID in BY column is NOT empty or adminID entered is EXIST in database.
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Mar 16, 2011
Let's say that I have the following HTML for a text box on an ASP.NET page:
<div class="myClass">
<asp:TextBox ID="txtMyTextBox" runat="server"></asp:TextBox>
</div>
It is easy enough to add a required field validator to this page like this.
<asp:RequiredFieldValidator ID="valMyTextBox" runat="server" ControlToValidate="txtMyTextBox" ErrorMessage="My Text Box is required."></asp:RequiredFieldValidator>
But I need to modify the HTML slightly if this text box fails validation. I need to add a CSS class to the DIV. So if the user leaves this field blank I need the HTML to look like this:
<div class="myClass error">
<asp:TextBox ID="txtMyTextBox" runat="server"></asp:TextBox>
</div>
Is this possible? I can't figure out if there is a way to write code behind that only fires if this particular validator control fails validation or something. I know I can write code that runs when the entire page is not valid. But I just want this code to run when this validator returns invalid. Hope this makes sense.
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Jan 28, 2014
I have repeater control which contains checkbox. when user click on download button I want to check whether user select atleast on checkbox using javascript not jquery.
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Feb 11, 2010
Is there a cleaner way to check for a null value comming from the database?
Right now i am doing this
[Code]....
There has to be a better what than doing this on every row which could possibly be null
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Oct 22, 2010
I have a checkboxlist (cblTeamMates) with a sqldatasource (sqlTeamMates) that has 3 columns (ID, FullName and Status ). The datavaluefield and datatextfield for cblTeamMates is "FullName" and the 2 status values possible are "Available" and "Absent". How do I go about, in the page load event, checking all the names (FullName) whose Status is "Available"?
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Jun 26, 2013
With respect to my previous questionListview Checkbox checked using jquery . The code works fine and it checks for any checkbox checked in listview and returns a alert msg but now it does not check for any required field validators in the page. I the checkbox is checked it fires button click event. I need to check for validators also and after that only it must check for checkbox validation. The link for previous question is [URL] .....
I need to merge the code for required field validation check with checkbox check.
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Dec 16, 2010
I have a .net 3.5 application in c# with sql server 2008 at back end. The application is about assigning jobs to supervisors and then these supervisors have to write remarks about the job progress from time to time. There are two tables ; a JobAssign table with JobOrderNo and Supervisor columns, and a JobUpdate table with jobOrderNo,Date And Remarks(nvarchar) column.
When a supervisor is assinged a job he is sent an email but sometimes the supervisors do not write remarks about a job for some time. i want a stored procedure through which if the remarks of a job are not written for say 5 days an email is sent to the supervisor to do so? in my job update table there are multiple entries for a job so the stored procedure will have to check the Top Remarks Date for each jobOrderNo. then compare it to today date if the difference is difference is 5 days then send email. i have read posts on sending email through job scheduler but i'm new to stored procedure so have no idea how to write such.
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Nov 30, 2010
I'm having a bit of trouble with my CheckBoxList control in ASP.NET - it seems to not store the values that I have checked (?)This is the test-code I have at the moment:
for (int i = 0; i < cbMemberTypes.Items.Count; i++)
{
if (cbMemberTypes.Items[i].Selected)
{
// do stuff
}
}
I have tried to output the amount of checked items, but it is always returning 0. I'm rather lost here, because in my other usercontrol, it works perfectly!
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May 3, 2010
It doesn't seem that the Html.CheckBoxFor helper adds the correct "checked" attribute when rendering the HTML. I have a bool property rendered like so:
<%= Html.CheckBoxFor(m => m.Visible) %>
And the outputted HTML is this:
<input type="checkbox" value="true" name="Visible" id="Visible">
Is there some particular reason it does not add the "checked" attribute when the value is true?
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Oct 28, 2010
I am trying to retrieve a value from the row based on the user checking the checkbox but the only way it works is opposite of what I think it should be. The problem is I can only get the values if I set "If RowCheckBox.Checked = False" So I have rows returned in the gridview:
row1, record1
row2, record2
row3, record3
I want to check row1 and row3 and grab the values record1 and record3 I use:
Dim str As String
Dim row As GridViewRow
Dim index As Integer = dgrdSearchResults.SelectedIndex
lblStatus.Text = index
For Each row In dgrdSearchResults.Rows
If index = -1 Then
index = 0
End If
Dim RowCheckBox As CheckBox = CType(dgrdSearchResults.Rows(index).FindControl("chkResults"), CheckBox)
If RowCheckBox.Checked Then
str = dgrdSearchResults.Rows(index).Cells(2).Text
lblStatus.text = str
End If
index += 1
Next
With this code I basically step out even when I have rows checked. zaybe I am looking to much but I cannot get it to return the values I need unless I change "If RowCheckBox.Checked " to If RowCheckBox.Checked = "False"
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Mar 10, 2011
Here is my div that is contained more than once by my page:
<div class="formContainerDiv" style="width:165px">
<table>
<tr>
<td colspan="2">
Assign To<br />
<asp:CheckBoxList ID="CheckBoxListLoginUsers" runat="server">
</asp:CheckBoxList>
<br />
Note<br />
<asp:TextBox ID="TextBoxNote" runat="server" TextMode="MultiLine" Width="150" ClientIDMode="Static" class="textBoxNote"></asp:TextBox>
<br />
</td>
</tr>
<tr>
<td>
<input type="button" class="saveAssignment" value="Save"/>
</td>
<td style="text-align: center;">
<a href="javascript:void(0)" class="formContainerDivClose">Close</a>
</td>
</tr>
</table>
</div>
And that's my jquery function:
$(".saveAssignment").click(function () {
var div = $(this).parents(".formContainerDiv");
......
});
I can select the appropriate formContainerDiv. But I need to get the values of checked checkboxes and the value of TextBoxNote.
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