Forms Data Controls :: SelectedIndexChanged Value?
Sep 7, 2010
My requirement is, if i click on Manage button of gridview then it should show all the data in the textbox from database.I have problem, It is working fine If contactusID visible="true" and when it is false then if i select row on gridview first time,its fine and if i select any row second time, i am getting error. There is no row at position 4 and my counter starts with 0, and i have 4 rows in my grid.Code:-
protected void gvAppContactUs_SelectedIndexChanged(object sender, EventArgs e)
{
mvDefault.SetActiveView(vModifyApp);
[code]...
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Feb 17, 2010
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Sep 29, 2010
I have a GridView with a TemplateField where I'm hosting a button. The button has an event hanlder OnClick, so when it is clicked it will execute some code.The problem I'm having is that when I click the button in a row, the Button event handler is not excecuted right away. Instead, the GridView selectedIndexChanged is fired and then I need to click my button again to fire the button's event handler.So, is there a way I could know if the button or the row was clicked in the GridView SelectedIdexChanged event? And why the Button's event handler is not firering right away?
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Jan 16, 2010
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Protected Sub AdminGridView_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles AdminGridView.SelectedIndexChanged
Dim row As GridViewRow = AdminGridView.SelectedRow
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Mar 16, 2011
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[Code]....
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Mar 11, 2011
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Nov 11, 2010
I have the following in a web user control:
asp:DropDownList
ID="ddlPrescriptionCodeGroup"
runat="server"
AppendDataBoundItems="True"
AutoPostBack="True"
DataSourceID="PrescriptionCodeGroupDataSource"
DataTextField="CodeGroupDescription"
DataValueField="PrescriptionCodeGroupID"
onselectedindexchanged="ddlPrescriptionCodeGroup_SelectedIndexChanged">
<asp:ListItem
Text="--Please Select--"
Value="-1"></asp:ListItem>
<
</asp:DropDownList>
<asp:SqlDataSource
ID="PrescriptionCodeGroupDataSource"
runat="server"
ConnectionString="<%$ ConnectionStrings:RadiotherapyConnectionString %>"
SelectCommand="SELECT [PrescriptionCodeGroupID], [CodeGroupDescription] FROM [PrescriptionCodeGroup] WHERE (([Archived]
= @Archived) AND ([OrganisationID] = @OrganisationID))">
<SelectParameters>
<asp:Parameter
DefaultValue="False"
Name="Archived"
Type="Boolean"
/>
<asp:SessionParameter
Name="OrganisationID"
SessionField="OrganisationID"
Type="Int32"
/>
</SelectParameters>
</asp:SqlDataSource>
<asp:DropDownList
ID="ddlPrescriptionCode"
AutoPostBack="True"
runat="server"
AppendDataBoundItems="True"
onselectedindexchanged="ddlPrescriptionCode_SelectedIndexChanged"
DataSourceID="PrescriptionCodeDataSource"
DataTextField="CodeDescription"
DataValueField="PrescriptionCodeID"
>
<asp:ListItem
Text="--Please Select--"
Value="-1"></asp:ListItem>
</asp:DropDownList>
<asp:SqlDataSource
ID="PrescriptionCodeDataSource"
runat="server"
ConnectionString="<%$ ConnectionStrings:SystemConnectionString %>"
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AND ([PrescriptionCodeGroupID] = @PrescriptionCodeGroupID))">
<SelectParameters>
<asp:Parameter
DefaultValue="False"
Name="Archived"
Type="Boolean"
/>
<asp:ControlParameter
ControlID="ddlPrescriptionCodeGroup"
Name="PrescriptionCodeGroupID"
PropertyName="SelectedValue"
Type="Int32"
/>
</SelectParameters>
</asp:SqlDataSource>
When I select from the first dropdown I want to populate the second. However, this is not happening. The postback is happening, but the SelectedIndexChanged handler isn't being called (I have a breakpoint which isn't being hit). The user controls are created dynamically and put into a PlaceHolder which itself is within an AJAX Updatepanel, with ChildrenAsTriggers set to true.
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Feb 10, 2011
I'm trying to create a dynamic table (inside a gridview) with some objects. The initial creation is fine, and I store all the selectedindexes in viewstate to recreate it upon postback. This, seemingly, works fine as well, but...After the postback, when I get into the selectindexchanged even handler, I can see the new selectedindex, but the original control sending it is reset to it's initial value (because I reset them upon postback).Anyone know a fance way of doing this?Here's my code:
[Code]....
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Aug 2, 2010
I have a GridView, with a DropDownList as one of the Columns. I can get the SelectedIndexChanged method to trigger - but I cannot figure out how to get other Data regarding which row this triggered on i.e. if I could get the value in the ID column (DocID below), that would be great. My code is a bit too long, so I am just posting snippets. In the *.aspx file I have:
[Code]....
In the *.aspx.cs File:
[Code]....
I am wondering if I can get the DocID from within StatusDropDownList_SelectedIndexChanged - so that I can make appropriate changes to the Database. For e.g. in the RowDataBound event, which I had a GridViewRowEventArgs e, I could easily do e.Row.DataItem - to get the DataItem, I am wondering if I get/do something similar in the SelectedIndexChanged method. (I would prefer this be not the GridView Row Index i.e. I would prefer the DataItem if possible.)
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Feb 11, 2010
In one webpage,
There is one updatepanel in that one gridview,
there is one dropdown in headerrow of gridview,
dropdown's selectedindexchanged event fire in FireFox but not in IE.
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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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May 10, 2010
I want to automatically call the gridview's selectedindexchanged procedure on the first page_load event.
Can someone show me how this is done in C#?
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Mar 15, 2011
I have a gridview and defined radiobuttonlist:
<asp:TemplateField>
<ItemTemplate>
<asp:RadioButtonList ID="rbAiredMissed" runat="server"
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[Code]....
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Aug 31, 2010
I have 2 dropdownlist - State and City. I want to fill city drop down list on selectedIndexChanged event of state drop down list. I fill the State ddl ( DataTextField = "Locationname" & DataValueField = "Locationid" ) using linq and when i changed state I didn't get "Locationid" and I got error - " conversion from string "Locationid" to type "Double" is not valid" .
following are the code
[Code]....
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Jan 12, 2011
I am having an issue with using a GridView template that contains an imagebutton control. my current ASP code is as follows:
[Code]....
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Feb 15, 2010
I want to call javascript from SelectedIndexChanged event of GridView.....how to do that
protected void gridSlave_SelectedIndexChanged(object sender,
EventArgs e)
{
[code]...
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Aug 12, 2010
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Oct 5, 2010
I have a dropdownlist in a repeater and it's firing the SelectedIndexChanged event but in teh event handler I can not get the dataitem associated with the row that the DDL is in. Here is the code:
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May 12, 2010
<asp:DropDownList ID="cboItemsPerPage" runat="server" CssClass="standardComboBox" AutoPostBack="true" EnableViewState="true" OnSelectedIndexChanged="cboItemsPerPage_SelectedIndexChanged">
<asp:ListItem Value="1" Text="1" />
[URL]Initially if I make a selection it will automatically post back and firecboItemsPerPage_SelectedIndexChanged. If I then post back by clicking one of the other buttons on the page, cboItemsPerPage_SelectedIndexChanged will continue to fire, despite the fact that the value has not been changed.I want it to be postback only when selected index is changed, not in every postback
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Nov 20, 2010
I am new to asp.net (I may use some incorrect termology while I explain my issue...) and need some help with DropDownList in Gridview. Currently I have a GridView set up with three Columns bound to a database: Column1 - some kinda of index, Column2 - string, Column3 - DropDownList(called Active). So far when I build the page, all the columns show up and the DropDownList appears and the values are bound correctly. I want to change a value in the DropDownList and automatically update that value in my database.
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[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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Jun 7, 2010
how can i populate the detailview in insert mode with values from gridview on selection?
Filter by date:
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DataTextField="CDATE" DataTextFormatString="{0:D}" DataValueField="CDATE">
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[Code]...
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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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Jun 8, 2010
Get the DataSource of GridView control in SelectedIndexChanged event handler?
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Feb 5, 2011
I want to execute code written in a dropdown selectedindexchanged event from some another user defined function.
For this i m writing:
ddlMyDropDown1_SelectedIndexChanged(sender, e);
It works when use it in page_load (means the code in ddlMyDropDown1_SelectedIndexChanged is executed) but when i write the same line in another function it gives error "The name sender doesnot exists in current context".
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