I have two dropdownlist in cascading using a web service, all is cool, but the problem is how use the method onselectedindexchanged in the second dropdownlist, method onselectedindexchanged in second dropdownlist don't work, how could i use method selectedindexchanged in web service?
View 1 Replies
i am using dropdownlist selectedindexchanged event , it is working with good speed in ie 6 or ie 7. But working slow in ie8.
View 2 Repliesi n using java script function to showalert msg .function is as follows
function ShowAlertForScaleResolution()
{
var ddlScale= document.getElementById('<#=ddlScale.ClientId #>');
var ddlResolution= document.getElementById('<#=ddlResolution.ClientId #>');
if(ddlScale.value=="0" || ddlResolution.value=="0")
{
alert("Please select valid Scale and Resolution");
}
return false;
}
my dropdown source code is--
<asp:DropDownList ID="ddlBlockName" onchange="return ShowAlertForScaleResolution();"
runat="server" Width="150px" AutoPostBack="True" OnSelectedIndexChanged="ddlBlockName_SelectedIndexChanged">
</asp:DropDownList>
when i m selecting the BlockName withought selecting any item from ddlScale and ddlresolution then i m showing alert msg.
My Problem is that when i m selecting the details of scale and resolution dropdown then its not showing any errormsg. But its not firing the selected index chaged event of Drop down .
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]..
I have a usercontrol and in that i have a dropdown. i need async postback for dropdown selectedindexchanged event. i set the AutoPostBack=true for dropdown. Eventhough the event is not getting fired.
View 3 RepliesI have a DropDownList in a TabPanel.In a separate TabPanel I have a control wrapped in an UpdatePanel which is tied to the SelectedIndexChanged event of the DDL in the first panel.At run-time I get an error from the UpdatePanel indicating the DDL control does not exist.
I moved the UpdatePanel into the same TabPanel with the DDL.The DDL has AutoPostBack set to true and the event for SelectedIndexChanged never fires.I also turned off Validation in case a validator was capturing it.This all worked fine before I "tabified" this page.
Overview
I have 3 update panels on a page, each of them have UpdateMode="Conditional".
UpdatePanel1 contains listbox1 (AutoPostBack set to true) which is populated on pageinit from the DB.
UpdatePanel2 contains listbox2 (AutoPostBack set to true), this panel has AsyncPostBackTrigger set to the SelectedIndexChanged event for listbox1 in UpdatePanel1.
UpdatePanel3 contains textboxes that will hold the details once an item has been selected from listbox1 and listbox2, this panel has an AsyncPostBackTrigger set to the SelectedIndexChanged event for listbox2 in UpdatePanel2.
In the codebehind, the SelectedIndexChanged event for listbox1 populates listbox2 and the SelectedIndexChanged event for listbox2 populates the textboxes in UpdatePanel3.
The problem
When the page loads listbox1 is correctly populated, I select a value from listbox1 and listbox2 is populated, great, no problem so far. When I then select a value from listbox2 the SelectedIndexChanged event for listbox1 is firing, I assume that as this populates listbox2 again it is clearing the selected value for listbox2 as the SelectedIndexChanged event for listbox2 is not firing.
How do I stop the SelectedIndexChanged event for listbox1 in UpdatePanel1 from firing when I select a value from listbox2 in UpdatePanel2 ?
I have 1dropdownlist and 1 textbox in my page
I want when I select item from DropDownList in textbox write"Correct" so I wrote below code
protected void DDLclass_SIC(object sender, EventArgs e)
{
Txtsub1.Text = "Correct";
}
but it didn't worked when I select Item from DDL in textbox didn't wirte "Correct"
How I can do it?
[Code]....
A breakpoint is set on FillForm() and this method is called two times but I can't explain myself why this happens. I have client side javascript code, when the form is being send, the onsubmit method is also called twice... Where do I have to search?! Is it a (known) bug? Think I could get it to work with this Thread: [URL] But why is the event fired within the onblur-event when it's fired anyway??
In my current web application I have a listbox containing large number of elements. I have used an ajax listsearchextender to help the users in selecting the elements. I have set the autopostback property of listbox true. The application is working fine as expected in internet explorer. But in firefox while I am typing some text in search lable of listsearchextender the selectedIndexChanged event is fired and the page is posted back. So I am not able to selected the item properly using list search extender control. Can you please suggest me how can I stop the selectedIndexChanged event.
View 1 RepliesBasics: I have a text box (txtDepositAmount) that people can enter a deposit amount into and a drop down (ddlSelectedTerm) that sets the terms. Through these two values I calculate the APY (lblCurrentApy).
Rules: If only one of the values is selected I still want to do an update on the current APY label and clear it. If either value changes I want to update the current APY and recalculate.
The problem: As soon as I click away from the textbox and onto the drop down to select my term the drop down flashes and closes because the textbox TextChanged event was just fired.
I have to click on the drop down a second time to be able to select anything!
Do I need to change what event I'm looking at or do I need to move some of the controls outside of the UpdatePanel? Can this only happen if some of the business rules change? Should I just give up and go to javascript?
[code]....
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]....
I have two radiobuttons in radiobuttonlist and based on selection, i am enabling and disabling the text box.
First time i used date radiobutton and i took date in corresponding textbox and i saved it into database and then when i came back on same page i saw the date radiobutton is checked has proper value then i clicked on another radiobutton and this time page is postback and clear my all the data which was in my other controls(I have 5-6 text boxed on my page). I dont know why?, It supposed to select my other radiobutton and enable the corresponding text box
[Code]....
if (!Page.IsPostBack)
{
if (gvCredentialTypes.SelectedIndex >= 0)
{
CredentialType credType = CredentialType.FindCredentialType(gvCredentialTypes.SelectedValue.ToString());
if (!String.IsNullOrEmpty(credType.CredentialTypeName)) //If exists, load data
{
String expDays = credType.ExpirationLength.ToString();
DateTime expDate = Convert.ToDateTime(credType.ExpirationDate);
// Assign the value to the controls
LoadExpirationDaysDateValue(expDays, expDate);
}
}
}
private void LoadExpirationDaysDateValue(String expDays, DateTime expDate)
{
// Determines whether value for Days or Date is present
Boolean IsDays = false;
// Check if days value is present
if (String.IsNullOrEmpty(expDays) || expDays.Equals("0"))
{
txtExpirationDays.Text = String.Empty;
}
else
{
txtExpirationDays.Text = expDays;
IsDays = true;
}
if (expDate.ToShortDateString().Equals ("1/1/0001"))
{
txtExpirationDate.Text = String.Empty;
}
else
{
txtExpirationDate.Text = expDate.ToShortDateString();
IsDays = false;
}
// Set the radio button value based on whether Date or Days value is present
if (IsDays)
{
// Get ref to the 1st radio item
ListItem liExpirationInDays = rbExpiration.Items.FindByValue("rbExpirationInDays");
if (liExpirationInDays != null)
{
liExpirationInDays.Selected = true;
rbExpiration.Items.FindByValue("rbExpirationDate").Selected = false;
txtExpirationDate.Text = string.Empty;
txtExpirationDays.Text = expDays;
// Enable or disable the controls based on the radio button selection
txtExpirationDays.Enabled = true;
RequiredFieldValidator1.Enabled = true;
RangeValidator1.Enabled = true;
txtExpirationDate.Enabled = false;
RegularExpressionValidator1.Enabled = false;
CalendarExtender2.Enabled = false;
//compDateValidator.Enabled = false;
RequiredFieldValidator2.Enabled = false;
}
}
else
{
// Get ref to the 2nd radio item
ListItem liExpirationDate = rbExpiration.Items.FindByValue("rbExpirationDate");
if (liExpirationDate != null)
{
liExpirationDate.Selected = true;
rbExpiration.Items.FindByValue("rbExpirationInDays").Selected = false;
txtExpirationDays.Text = string.Empty;
txtExpirationDate.Text = expDate.ToShortDateString();
// Enable or disable the controls based on the radio button selection
txtExpirationDate.Enabled = true;
RegularExpressionValidator1.Enabled = true;
RequiredFieldValidator2.Enabled = true;
CalendarExtender2.Enabled = true;
//compDateValidator.Enabled = true;
txtExpirationDays.Enabled = false;
RequiredFieldValidator1.Enabled = false;
RangeValidator1.Enabled = false;
}
}
}
private void EnableCorrespondingTextbox()
{
switch (rbExpiration.SelectedItem.Value)
{
case "rbExpirationInDays":
txtExpirationDays.Enabled = true;
RequiredFieldValidator1.Enabled = true;
RangeValidator1.Enabled = true;
txtExpirationDate.Text = String.Empty;
txtExpirationDate.Enabled = false;
RegularExpressionValidator1.Enabled = false;
CalendarExtender2.Enabled = false;
RequiredFieldValidator2.Enabled = false;
//compDateValidator.Enabled = false;
break;
case "rbExpirationDate":
txtExpirationDate.Enabled = true;
RegularExpressionValidator1.Enabled = true;
RequiredFieldValidator2.Enabled = true;
CalendarExtender2.Enabled = true;
//compDateValidator.Enabled = true;
txtExpirationDays.Text = String.Empty;
txtExpirationDays.Enabled = false;
RequiredFieldValidator1.Enabled = false;
RangeValidator1.Enabled = false;
break;
}
}
protected void OnSelectedIndexChangedMethod(object sender, EventArgs e)
{
EnableCorrespondingTextbox();
}
i want to give id of dropdowncontrol inside master page, how can i assign this control id in trigger of updatepanel inside content page
View 1 RepliesI have a web page with a datagridview where a user should be able to click on the selectindexchanged (in this case a "Select" button) show the results of what they have selected in a label on the second page and also redirect them to that page. Here is the code I have for the vb.net:
Imports System.Data.SqlClient
Imports System.Data
Partial Class _Default
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
TimeDateLabel.Text = String.Format("Today is {0:F}", DateTime.Now)
TextBox1.Focus()
End Sub
Protected Sub whosoncallButton_click(ByVal sender As Object, ByVal e As System.EventArgs) Handles whosoncallButton.Click
Dim dt As New DataTable
Dim da As New SqlDataAdapter
Dim cmd As New SqlCommand
Dim connectionString As String = "Initial Catalog=mdr;Data Source=xxxxx;uid=xxxxx;password=xxxxx"
Dim con As New SqlConnection(connectionString)
con.Open()
cmd.Connection = con
cmd.CommandType = CommandType.StoredProcedure
cmd.CommandText = "getoncall"
cmd.Parameters.AddWithValue("@subschedule", TextBox1.Text)
Try
da.SelectCommand = cmd
da.Fill(dt)
GridView1.DataSource = dt
GridView1.DataBind()
con.Dispose()
Catch ex As Exception
Response.Write("Error:" & ex.Message)
End Try
End Sub
Protected Sub clearButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles clearButton.Click
TextBox1.Text = ""
GridView1.DataSource = Nothing
GridView1.DataBind()
End Sub
Protected Sub GridView1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles GridView1.SelectedIndexChanged
Dim row As GridViewRow = GridView1.SelectedRow
Response.Redirect("Default2.aspx?msg=" + row.Cells(1).Text)
End Sub
End Class
I have also added a line to my aspx page for the event handler.
I have debugged this but no matter what I've tried so far, the SelectIndexChanged event isn't firing.
I have a DropDown which is bounded to an ObjectDataSource. On its data bound event, I am adding "--select--" value on the 0 index. I have a LinkButton on the page and on its client click, i am selecting different item on drop down (using JavaScript). Suppose there are 3 items like --select--, option1, option2 and option3 and now on link button's client click i selected option3, now if I select the default value "--select--", it does not fire the SelectedIndexChanged event. If I select any other value then it fires. Why does it not work for the default value?
[code]....
I have added the AutoPostBack = "true" attribute to the drop down list. It doesn't work.
<asp:DropDownList CssClass="dropDownList" ID="ddlBusinessUnit"
AutoPostBack="true" runat="server" Width="250px"
OnSelectedIndexChanged="ddlBusinessUnit_SelectedIndexChanged">
</asp:DropDownList>
code behind:
Protected Sub ddlBusinessUnit_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs)
Response.Write("Hello")
End
How can I ensure that the event method is called?
My application allows a team captain to enter the results of an 8-ball game then submit those results. In doing so the captain is brought to the next page to enter the results of the 9-ball game. But, there are games every week so there is a dropdownlist on both of the forms allowing the captain to select which date he/she is entering the information for. There are 14 weeks with the date displaying as the text value.
After the user selects the appropriate date and enters the results of the 8-ball game he is brought to the next form but he has to select the date again. Both forms ddl selectedindexchanged event enacts a whole lot of code which is required to allow the processing of the data.
I can capture the selected value from the first form and get it to the next form for 9-ball and even set the selectedvalue correctly, but that doesn't trigger the selectedindexchanged event. I want to put some code in the pageload to pass the selectedvalue to the selectedindexchanged event and trigger it to run with that value.
Is this even possible? I haven't been able to google my way out of this perdicament despite many hours of effort. And I know that users are going to spend 20 minutes entering all the data before realizing that they forgot to select the correct date in the ddl. What to do?
I have an empty GridView object on a page that I bind to a LINQ qry result at run time. The GridView has a 'Select" button that fires the SelectedIndexChanged event and it's inside of this event that I'd like to access the data of one of the fields in the selected row.So far, I can only find one way to do this, and it seems suboptimal:
protected void GridView2_SelectedIndexChanged(object sender, EventArgs e)
{
GridViewRow row = GridView2.SelectedRow;
string UserID = row.Cells[1].Text;
//Do stuff with the userID
}
So this just access the cell data directly based on the cell index. The UserID just happens to be in the second cell and so it works. But later down the road, the UserID may not be in that same column.
I have some code which fires when user selects an item in dropdownlist. Now i want the same code to fire when i set selectedindex programmatically.
I have tried setting
ddlSystemLevelDCP.SelectedIndex=2;
and this as well
ddlSystemLevelDCP.SelectedValue="2";
None of them fires this event.However when user changes the selection,this event fires.Please tell me what am i missing.
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?
View 2 RepliesI have one dropdownlist control which populates values to other controls. Means upon selecting item in dropdownlist, related data is populated in other controls. I have also assigned dropdownlist's autopostback to TRUE. Everything is working good as far as dropdown has more than one item.
Whenever there is only one item, selectedindexchanged event is not fired (obviously.....) and eventually the data is not populated to other controls.
How could I get rid of this scenario? I mean which event should I use to avoid this?
At this time, I have just added the first item as something like "---Select Item---" , so when end-user has to select different item and thus the selecteditemindexchanged is fired. no biggie... but just wondering if proper solution is available....
I have a dropdownlist inside a formview and I'm trying to do something on the selectedindexchanged event. but I'm getting the following error:
It looks like it can't find the dropdownlist because it is inside the formview. How can I find the event?- if there is such a thing.
Server Error in '/WebSite4' Application. Compilation Error
Description:
An error occurred during the compilation of a resource required to service this request.
review the following specific error details and modify your source code appropriately. Compiler Error Message: BC30506: Handles clause requires a WithEvents variable defined in the containing type or one of its base types.
Source Error:
[Code]....
Line 13:End If
Line 14:End Sub
Line 15:Protected Sub ddlDept_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ddlDept.SelectedIndexChanged
Line 16: Dim ComDropDownList As DropDownList = CType(FormView1.FindControl("ddlCommune"), DropDownList)
Line 17:
I've got a form with 3 drop down lists. If I choose a report on the Actions DDL, which displays a sql report as a pdf, then select an item in one of the other DDL's, the SelectedIndexChanged event for the Actions DDL is fired again. I can't get the other DDL's SelectedIndexChanged event to fire.
[Code]....
i have two dropdownlist in my webform both are filled dynamically in the page_load event
[Code]....
