C# - Get The ID Of A Select Button From The EventArgs Of A ListView SelectedIndexChanged?
Jan 25, 2010
I have two buttons in a list view that adjust the position of that item, basically, moves it up or moves it down. Both buttons have the CommandName="Select" so I need to know if their ID is somewhere in the EventArgs so I can tell if the Up or the Down button was pressed.This is my temporary sol'n, maybe it'll give you a better idea of what I mean to do.int s;
public void iBtnUp_Click( object sender, EventArgs e )
{
s = 1;
[code]...
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Jun 19, 2010
I have a listveiw populated from a List<> in the code behind using the following code:
SubId = Convert.ToInt32(Request.QueryString.Get("SubId"));
using (JodyCoryDataContext myDataContext = new JodyCoryDataContext())
{
var SelectedRings = from jewlery in myDataContext.Jewleries
[Code]....
The page displays the images from the list<> and button ok but nothing happens when i click it other than postback. Furthermore even when i set up a test button wich changes the ListView.selectedindex the ListView.SelectedIndexChanged event never fires even though i can read the selected index and see that it has changed.
I'm guessing that it's something to do with using a list<> from the code behind to populate the listview but i must confess to being completely clueless.
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Apr 2, 2010
How can i select a entire row in a listview by clicking on a row instead of use a select button?
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Mar 23, 2011
how di I display the select button in the listview control? There's a selected item template, but how does the user select an item?
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Apr 8, 2010
I trying this solution in visual basic but it dosent work, im getting a error:
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In the line:Dim script As String = Me.ClientScript.GetPostBackClientHyperlink(btn, "", True)
[Code]....
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Jul 10, 2010
on SelectedIndexChanged event handling of DropDownList in ItemTemplate of ListView. I put OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged" in mark up, with code behind, but only to get Compiler Error Message: BC30456: 'DropDownList1_SelectedIndexChanged' is not a member of 'ASP.webform1_aspx'. How do I make it a member? When I do not put OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged" in mark up, BC30456 does not pop up, but nothing happens when dropdownlist selected item is changed.
[Code]....
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Feb 21, 2011
I have a ListView tied to a DataSource, included in the layout is a Literal control. I want to be able for the user to click the Select button, and then I want to populate the Literal control with some Data. I have it working, but I have to click the Select button twice to get the data to show. My code is below.
Here is the html
<asp:ListView ID="ListView1" runat="server" OnItemCommand="ListView1_ItemCommand" OnSelectedIndexChanged="ListView1_SelectedIndexChanged"
DataKeyNames="TxnID" OnItemCommand="ListView1_ItemCommand">
<LayoutTemplate>
[Code]....
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Sep 10, 2010
how to do this when the checkbox in listview layout template check select all checkboxes in listview itemtemplate.I dont give 'Eval 'field to checkbox present in itemtemplate.
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Mar 5, 2010
I'm using VS2008. When a dataset is bound to the DataSource of a ListView, SelectedIndexChanged event does not fire. If I used DataSourceID instead, it has no problem. But SelectedIndexChanging event fires for both.
why and how I can get SelectedIndexChanged event fired when DataSource is used?
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Sep 8, 2010
I have a checkbox placed inside a gridview:
<GridView><asp:TemplateField HeaderText="Driver"> <ItemTemplate> <asp:CheckBox ID="CheckBoxDriver" AutoPostBack="true" OnCheckedChanged="GridView_Persons_SelectedIndexChanged" ValidationGroup='<%# Eval("ID") + "-" +((GridViewRow)Container).RowIndex %>' CssClass="CXDriver" runat="server" Checked='false' /> </ItemTemplate> </GridView>
For example: A listViewItem 1 has 3 drivers are checked, A listViewItem 2 has 2 drivers are checked.
Therefore, if changing the selectedIndex of the list, the checkbox indexChanged event will be fired.
How could I disable the autopostback of the checkbox during the listview item changed.
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Mar 16, 2010
I have an ASP.NET DropDownList with AutoPostBack=true and EnableViewState=false. I have a button on the page that does nothing. If I change the selection in the ddl, it posts back , which is expected. If I click the button, the page posts back and the ddl's SelectedIndexChanged fires. Why does it get fired?
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Mar 22, 2010
I am trying to populate the ListView using LinqDataSource data source but the issue I am having is.I need to load the listview on Search button click action.
IN the page_load I kept like this:
===========================================
LinqDS.Selecting += new EventHandler<LinqDataSourceSelectEventArgs>(LinqDS_Selecting);
protected void LinqDS_Selecting(object sender, LinqDataSourceSelectEventArgs e)
{
e.Result = ObjectDS;
}
=============================================
This works fine but this happens on page load,i want this binding to happen on button click?is there a way to do this?
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Jan 7, 2013
I have a dropdownlisbox , i am changing the selectedIndex by PageMethod(i.e it will change its value and text on checkbox status). At that time it don't fire the selectedIndexchange method but when i click the button it fires(i.e on postback).
<td width="65%" align="left">
<asp:UpdatePanel ID="upPCountry" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<asp:DropDownList ID="ddlCountry" runat="server" Width="125px"
AutoPostBack="true" onselectedindexchanged="ddlCountry_SelectedIndexChanged" >
<asp:ListItem Value="1">USA</asp:ListItem>
<asp:ListItem Value="2">Canada</asp:ListItem>
[Code] .....
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Nov 19, 2012
I want to select a row of gridview and display a DetailsView. There is issue of real estate on page so I do not want to use a select button.
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Feb 11, 2010
I have Sub that requires EventArgs as below.
Sub Testing(ByVal sender As Object, ByVal e As EventArgs)
If I want to call the Sub from PageLoad event, I wrote like this Testing(nothing,nothing)
Then, in the Sub, I would like to check If Argment is Nothing or not
Dim testID As String
If (CType(sender, LinkButton).CommandArgument) = Nothing
testID=Request.QuerySting("myID")
ELSE
testID=(CType(sender, LinkButton).CommandArgument).ToString
End If
I get Null error at if statement (If (CType(sender, LinkButton).CommandArgument) = Nothing)
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Feb 10, 2010
This may be a basic question. I know __doPostback() function accepts 2 arguments, eventtarget and eventargs. eventtarget is used to identify the control that causes postback. Then what is the use of eventargs in doPostback function?? I saw the _doPostback function always set the __EVENTARGUMENT hidden field to nothing for any postbacks caused thro controls with even autopostback to true or a control like linkButton.
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Mar 31, 2011
I would like to disable the ListView's Select command based upon other data in the row. For example, if the UserStatus is "T", I'd like to gray out the Select hyperlink and prevent selection of that row.
I've accomplished the same thing in a GridView by the following statement in the RowCreated event. However, I haven't been able to rework that code for a ListView.
CType(e.Row.Controls(0), WebControl).Attributes("disabled") = "true"
<asp:listview runat="server" id="ListView">
<itemtemplate>
<tr id="rowUsers" runat="server">
<td><asp:linkbutton id="btnEdit" runat="server" text="Select" onclick="btnEdit_Click" /></td>
<td><asp:label id="UserNameLabel" runat="server" text='<%# Bind("UserName") %>' /></td>
<td><asp:label id="UserStatusLabel" runat="server" text='<%# Bind("UserStatus") %>' /></td>
</tr>
</itemtemplate>
Generated output...
<tr id="ListView_rowUsers_0">
<td><a id="ListView_btnEdit_0" href="javascript:__doPostBack('ListView$ctrl0$btnEdit','')">Select</a></td>
<td><span id="ListView_UserNameLabel_0">Adams,John P</span></td>
<td><span id="ListView_UserStatusLabel_0">T</span></td>
</tr>
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Jun 12, 2010
what I can replace the bold line with to get it working with EventArgs e? I copied this code from a button function with CommandEventArgs e.
protected void btnNextStep_Click(object sender, EventArgs e)
{
if (cboxShippingSelect.Checked == true)
[Code]....
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Jan 13, 2010
I am using Asp.net 3.5, C#, Visual Studio 2008. Ok, so I admit I am being really lazy here, but I know there's got to be a way to do this.
I have 2 identical listviews - listview1 and listview2. There is a checkbox in column 1 of both listviews, and a button on the page.
I would like to copy the rows that are checked in listview1 to listview2 when the button is pressed.
I know how to do this by looping thru listview1, but how can I do it in one step using an ObjectDataSource?
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protected void ok_Click(object sender, EventArgs e)
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Sep 19, 2010
I'm trying to implement a onclick event to select an item in a asp:ListViewControl.
<ItemTemplate>
<tr runat="server" id="MemberRow" onclick='<%#ClientScript.GetPostBackClientHyperlink(LvMembers, string.Format("Select${0}", Container.DataItemIndex)) %>'>
<td>
[code]...
However the onclick does not fire the ListView.Command or ListView.SelectedIndexChanging event? If I add a button with CommandName="Select" it works as expected? The POST data is the same!
{_EVENTTARGET=ctl00%24ContentPlaceHolder1%24LvMembers&_EVENTARGUMENT=Select%245&__VIEWSTATE=...}
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Apr 13, 2010
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Oct 27, 2013
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Mar 12, 2010
I have 4 buttons on a page. Each button opens a modal window and let's the user input data in a form. When the user hits the save button in the modal, a ListView appears on the page with the submitted data.
The button the user clicked to open the modal window is set to visible=false, so it's gone when the row is added to the ListView. Now there are 3 buttons and the same goes for those; when the user hits a button, a modal appears, and when the modal form is submitted, the button disappears and a row is added to the ListView.
In the ListView row, there is a delete button. When this button is clicked, the row is deleted and the button that was initially clicked to add this row (and open the modal), SHOULD reappear, but it doesn't. The row disappears, but I have to refresh the page before the button comes back. There is a ScriptManager on the masterpage, so I guess this is an AJAX partial refresh issue. I tried adding different events, but I can't find the one that fires at the right time.
I use an ObjectDataSource to fill the ListView, and the data comes from a database, wrapped in a business object.This code loads a business object in a List<> and checks if the user inserted an item of a specific type. If he did, the button he used to open the modal is hidden. This works fine (maybe not the most elegant)
_goals = GoalManager.GetGoalsByUser(UserID);
if (_goals != null)
{
foreach (Goal _goalinlist in _goals) [code]...
As you can see, I tried setting a boolean, and then check it when the page is re-loaded. But the problem (I guess) is that the whole page isn't refreshed when the delete button is clicked in the ListView.
This is the delete button in the ListView:
<asp:ImageButton ID="ImageButton2" runat="server" CommandName="Delete" CausesValidation="false"
ToolTip="Delete" CommandArgument='<%#Eval("GoalID")%>' ImageUrl="delete.gif"
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I guess the question is, how do I make the button re-appear right after the ListView button is clicked?
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