C# - Force The User To Select Minimum Two Check Boxes In Each Section In Gtridview?
Jul 28, 2010
I have to select checkboxes besed on group column values. If you see below gridview, column 3 (GroupNo) has 1,1,1,1,2,2,2,2....etc (this column data is not static, will change based on page index. i.e PageIndex =2 may starts with 7,7,7,8,8,8,8,8,9,9,9 etc).
In every sectio/Group User must and should select minimun 2 check boxes. so If user select only one check box we need to show a pop up message as " select One more check box in that particular section" If User skips the message and move to next section we have to show the same message. We have to force the user to select more than one checkbox in the same section.
Mainly our intention is the check boxes whatever user selected in each section/Group belongs to one Category.
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Nov 22, 2010
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Feb 22, 2011
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Mar 24, 2010
I need to be able to select multiple options on a web form, but those options are hierarchical. For example:
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Mar 9, 2011
I generate my check boxes dynamically:
for (int i = 0; i < dtCommon.Count; i++)
{
CheckBox newBox = new CheckBox();
newBox.Text = dtCommon[i].userName; [code]...
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protected void SaveUsers(object sender, EventArgs e)
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}
How do I know which check boxes the user has checked?!
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Aug 10, 2010
I have (or so I think!) a simple problem.
I will greatly simplify my model to speed this along.
I have a model class lets call it item:
public class Item
{
[Required(ErrorMessage="Must indicate if product is to be tracked by serial number.")]
public bool TrackedBySerial { get; set; }
}
I have an "Add" view where I create a DropDownList like so:
<%= Html.DropDownListFor(model=>model.TrackedBySerial, new SelectList(new List<object> {null,true,false},null),"Select One") %>
<%= Html.ValidationMessageFor(model => model.TrackedBySerial) %>
My problem is that unless I create my boolean value in the model to be a nullable type, I can't force the blank default value.
If I use the Html.DropDownList() instead of DropDownListFor() , is there any way for me to use ModelState.IsValid -- or do I need to mix my own custom validation in my controller as well?
Update: So I got the functionality I was looking for, its just a bit more verbose than I'd have liked. Is there a better way to do this?
Controller:
[HttpPost]
public ActionResult Add(InventoryItem newItem)
{
try
{
//get the selected form value
string formVal = Request.Form["TrackBySerial"];
//convert to true, false, or null
bool? selectedValue = TryParseNullable.TryParseNullableBool(formVal);
//if there is no value, add an error
if (!selectedValue.HasValue).....
view:
<div class="editor-field">
<%=Html.DropDownList("TrackBySerial","- Select One- ") %>
<%=Html.ValidationMessage("TrackBySerial") %>
<%= Html.ValidationMessageFor(model => model.TrackedBySerial) %>
</div>
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Nov 13, 2010
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----
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Here's the code I'm using to create the Roles portion of the page:
[Code]....
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[Code]....
|_| Groups
|_| Groups
|_| Groups
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well i am new to Grid View , so i am taking a simple scenario. well i have a visual webpartin sharepoint ; i have added a grid view with first column is of CheckBox Type & it has a Button & aLabel
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code is below.
[code]....
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complete my code !!!!!
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& if possible tell me the way how can i put a checkbox near "Show" button that is used to check all the check boxes.
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I have grid view containing check box column as one column,a drp down and button outside the grid..
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Nov 26, 2010
This is my repeater in GUI and code behind ..I need to replace the 'Make Default' linkbutton with a Check Box now. What I want to do is that When user Checks the checbox, the Default value is set to TRUE in DB , Also when a check box is Checked, it will be grayed out..
NOW I was just trying to implement this but there's no CommandName attribute for checkbox and not even CommandArgument attribute!!
How do I change my code now ?
All I wanna do is replace that Link Button with Checkbox. Somebody his..How do i pass arguments to this check box ..I need the command arguments for my "SetDefault" method that sets the address to TRUE if Default is selected
[EDIT]
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[EDIT]
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<asp:CheckBox Text='<%# Eval("UserID") + "," + Eval("IsB") %>' runat="Server"/>
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