Forms Data Controls :: Call Javascript From SelectedIndexChanged Event In C#?

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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Web Forms :: How To Call Dropdown SelectedIndexChanged Event In Page Load Event In C#

Oct 15, 2010

in my web form i have a department dropdown box, in its selectedIndexChanged event i have to fill the equipment dropdown box and in equiment dropdown selectedIndexChanged i have to fill out the other textboxs.

the depratment dropdown box get its value from sqldatasource.

[code]....

what i want is when i run the page, it shows the very first deparment in the list, and according to that it should pop up the values in the other fields, means it should show the values in the equipment dropdownbox and from that one it should pop up the values in the other textbox.

here is my selected indexchanged event for department dropdownbox

[Code]....

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Forms Data Controls :: Call Gridview.selectedindexchanged From Page_load Even?

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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Forms Data Controls :: How To Get SelectedIndexChanged Event From UC

Feb 17, 2010

I have a dropdown list sitting on a user control and I need to evoke the SelectedIndexChanged from the dropdownlist. How do I make this SelectedIndexChanged event available on my UC?

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Forms Data Controls :: Dropdown's Selectedindexchanged Event Not Fire In IE?

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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Forms Data Controls :: Get Datavaluefield On SelectedIndexchanged Event Of Another Ddl Using Linq?

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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Forms Data Controls :: Dropdownlist In A Repeater Firing The SelectedIndexChanged Event?

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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Javascript - Does The ListBox SelectedIndexChanged Event Require Postback

Oct 25, 2010

I'm trying to add a JavaScript function to show all selected items from a ListBox as concatentated strings in a Label on the page. It's needed because AutoPostBack="true" will cause the ListBox to scroll all the way back to the first selected item.

So this code works:

<script type="text/javascript">
function Updatelist() {
var sel = document.getElementById('<%=lstbxStuff.ClientID%>');
var lbl = document.getElementById('ctl00_cph_lblSelectedStuff');

[Code]....

Unfortunately I still need the code behind SelectedIndexChanged delegate. Is there a way to use both of these without doing a PostBack? When I set AutoPostBack="false", my delegate never seems to be reached.

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Forms Data Controls :: SelectedIndexChanged Event Does Not Fire When Binding DataSource To ListView

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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Forms Data Controls :: Get The DataSource Of GridView Control In SelectedIndexChanged Event Handler?

Jun 8, 2010

Get the DataSource of GridView control in SelectedIndexChanged event handler?

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Forms Data Controls :: Executing DropDownList SelectedIndexChanged Event From Other Custom Function

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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Forms Data Controls :: Databound Checkbox List, Default Values And SelectedIndexChanged Event

Jul 12, 2010

i have a check box list control that is used for showing related files to some post.

what i want to do is set the databound items "checked" to true by default

then,

if a user unchecks some item and clicks the save button. then the selectedindexchanged will fire and i will do some logic.

what i have done is.

--Set All Databound items to "checked" --

[code]....

in the end i want the item that was unchecked to be removed (all other items will remain checked). but even before that, when the user control is loaded all the files that were bounded are being deleted by the index change event.

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Forms Data Controls :: On Dynamic Control The DropDownList SelectedIndexChanged Event Fires Several Times?

Aug 4, 2010

I ask for a date, on OnTextChanged event i bind data with a SqlDataSource to a dropdownlist and also bind data to a repeater passing the dropdownlist SelectedIndex (i use SqlDataSource too and ControlParameter to link the dropdownlist and the repeater) On my repeater during the ItemDataBound event i create dynamic dropdownlist controls, my code is :

[Code]....

[Code]....

On the Page_load event of my page i bind the data & recreate the control :

[Code]....

Everything works fine, datas are bound and SelectedIndexes are restore on every postback.

The probem occurs when user change different dropdownlists, if he choose to change the 1st dropdownlist the event is fire (normal), after if he modifies another dropdownlist the event is fire twice, if he modifies a 3rd time the event is fire 3 time etc...

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Forms Data Controls :: Fire SelectedIndexChanged Event Of DropDownList When SelectedValue Is Coming From Database Table?

Jun 28, 2010

I have a form which has some dropdownlists (ListItems "Yes" "No"). I use my form to Enter data & submit to database and use same form to Edit aswell. Like I redirect to this form from another page with a QueryString. If there is a QueryString then SELECT * FROM Table WHERE ID = QueryString's value & fill all the controls in the form like

[URL]

I have certain things to do when DropDownList.SelectedValue = "Yes" so I can use SelectedIndexChanged event handler & AutoPostBack="true" when submitting form for the first time. Now when I edit the information(Data filled from table as stated above). How can i automatically fire all events like DropDownlist SelectedIndexChanged in the page_Load iteslef so that all the things that are supposed to be done when DropDownList.SelectedValue = "Yes". I'm posting my test code for reference to explain what I'm trying to do. This is just the Idea. I have something else to deal with if i can get this stright. I need to dynamically add controls based on the values of DropDownList. please suggest some thing guys.

[Code]....

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Data Controls :: DropDownList SelectedIndexChanged Event Not Firing

Jun 6, 2013

I take drop down list control ,from below code i bind data into drop down list from database...

public void load() {
try {
string sCon = gv.constr;
MySqlConnection con = new MySqlConnection(sCon);
con.Open();
String s = "Select * from company";
MySqlCommand cmd = new MySqlCommand(s, con);

[Code] ...

I used to done select index change event on  drop down list bt it's not working... I want select index value of drop down list item into textbox....wat i do?

protected void drpOrg_SelectedIndexChanged(object sender, EventArgs e){
string sCon = gv.constr;
MySqlConnection con = new MySqlConnection(sCon);
con.Open();
String s = "Select companyid from companyuser where orgname='"+drpOrg.SelectedValue.ToString()+"'";

[Code] ....

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Forms Data Controls :: How To Call A Button Click Event On From An Event Handler

Sep 29, 2010

I got an event handler like this, in this event, i wanted to call another button click event. How can I do that?

[Code]....

if (ds.Tables[0].Rows.Count == 0)

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Data Controls :: Get TreeView Selected Node In SelectedIndexChanged Event

May 7, 2015

I want to show treeview text by click node in next page. but it shows blank. here is my code

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not IsPostBack Then
tvSPLooping()
End If
End Sub

[CODE].....

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Data Controls :: Dropdownlist SelectedIndexChanged Getting Called On Button Click Event

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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Data Controls :: Fire RadioButtonList / SelectedIndexChanged Event Conditionally For Some Items?

Oct 22, 2013

i read article "using javascript with asp.net radiobuttonlist control" and i found it useful.

[var RB1 = document.getElementById("<%=RadioButtonList1.ClientID%>");
var radio = RB1.getElementsByTagName("input");
if am setting radio[1].checked = 1; the item is checked. ]

step1: radio[0]=checked
           radio[1]=not checked
            radio[2]=not checked

step 2: by using javascript , am changing the selection

now 

           radio[0]=not checked
           radio[1]=checked 
          radio[2]=not checked

step 3: if am changing radio[0]=checked by clicking, it wont fire the selected index change that i wrote on code behind

but if am changing radio[2]=checked by clicking, it will fire the selected index change that i wrote on code behind

My requirement: i want to fire the selected index change in both cases. for that i need to change the selected index in step 2.

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Data Controls :: DropDownList SelectedIndexChanged Event Not Working When Placed Inside GridView Footer

Jan 24, 2016

With ref. to this post, [URL]

I have placed a dropdown list in Gridview footer, now i want to access the dropdown selected indeex changed event as below. But i'm not able to access the event.

protected void ddlCatg_SelectedIndexChanged(object sender, EventArgs e)
{
DropDownList ddlCategories = grvExpenses.FooterRow.FindControl("ddlCatg") as DropDownList;
DropDownList ddlExpenseSubCategories = grvExpenses.FooterRow.FindControl("ddlSubCatg") as DropDownList;
ddlExpenseSubCategories.Items.Clear();

[CODE]..

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Data Controls :: Prevent SelectedIndexChanged Event To Fire On Checkbox Checked In GridView

Jul 31, 2013

I have a grideview and inside grideview I have check box ,I don't want SelectedIndexChanged grideview event to fire on checkbox checked in GridView.

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Data Controls :: Apply Discount To GridView Amount On DropDownList SelectedIndexChanged Event?

Oct 15, 2012

i have a gridview in which i have a 3 column serial no, particular , amount .in particular column i have a feild tution fees . and its shows it amount any integer value( like 5000). now i have a dropdown list outside the grid n if i selct any value from that dropdown list . the tution fees will be change on the event of selecting value of drop down list.( say if i select the value 10 then it tution fee will be 4500 , means 10% discount on tution fees) how it will be done?

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Data Controls :: GridView SelectedIndexChanged Event Error - Argument Out Of Range Exception

Dec 23, 2015

I'm facing error in code behind. It is showing the above exception. Code behind code is as follows

 HTML

<asp:GridView ID="gv_TPBill" runat="server" AutoGenerateColumns="false" DataKeyNames="Instance Name"
OnRowDataBound="OnRowDataBound" OnSelectedIndexChanged="OnSelectedIndexChanged">
<Columns>
<asp:TemplateField HeaderText="Client Name" ItemStyle-Width="150">

[Code]....

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Forms Data Controls :: DropDownList Inside GridView Inside UpdatePanel SelectedIndexChanged Event Not Firing?

Aug 16, 2010

I have an UpdatePanel with a GridView. This GridView has a template column that is a DropDownList. The problem is that the SelectedIndexChanged event does not fire for the DropDownList. Here is the code:

[Code]....

The codebehind:

[Code]....

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Web Forms :: How To Call A Javascript Function From CodeBehind On Page Load Event

Jan 20, 2011

How would you call a Javascript Function from CodeBehind on Page Load event without : Ajax (ScriptManager), Response.Write ?

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