Data Controls :: GridView - Set SelectedValue Of One DropDownList Based On Other Using JavaScript

May 7, 2015

I have two dropdownlists ddl1 & ddl2, both of which are inside a GridView.

How do I change the index of second dropdownlist (ddl2) according to the selected index of the first dropdownlist (ddl) using JavaScript...

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I have a dropdownlist in DetailsView to which items are added programmatically during DataBound event. It is working fine in InsertItemTemplate, but in EditItemTemplate i am getting this error "'branchDDL' has a SelectedValue which is invalid because it does not exist in the list of items. Parameter name: value".

. Following is the code:


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Forms Data Controls :: Get Value Of Dropdownlist Selectedvalue - Created Dynamically Inside Gridview

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I am having Gridview ie : inside i have placeholder, So on Gridview_RowDataBound - according the Specific Condition getting from DB then - i am Creating the Dropdownlist dynamically here and assign Datasource. so up to this its ok. My Problem When the user Select any value on the Dropdownlist on Gridview ,

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how do I set the SelectedIndex of a DropDownList based on the SelectedValue

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I have a gridview that I'd like to have changed based on a value selected in a dropdownlist. I'm able to get the aspx page to display the dropdown list (comming from SQL), and when I select a value, the page reloads, but no data show in the griview.


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To what extent our institution is useful for you  Dropdownlist1(Good/Poor).When user select the Poor form the Dropdownlist1 in that case  ONLY POPUP screen will be displayed.The POPUP Screen as follows

            Textbox (In that textbox user type the reason for Poor)

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My page has a gridview, and the gridview has a TemplateField called "Acciones" (Actions). The column Acciones has a ImageButton with CommandName "Select" and CommandArgument "Tutor". Thus, the GridView has controlled event "SelectedIndexChanged". The idea is that in GV_SelectedIndexChanged, I must to set DropDownList's SelectedValue property. But, the value seted in this function don't affect the rendered dropdownlist. The debugger talk's that the value is correctly seted, but the visual result don't.

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i want to display selectedvalu on dropdonwlist i have a access table like this;1 Adana2 Ankaraits displaying the numbers of cities but i want to display name of the cities in my gridview how can i fix that ? im using theese codes for register page;

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Setting SelectedValue For One DropDownList Also Updates The SelectedValue For Another DropDownLIst

Jul 21, 2010

I have a WebForms page that has two DropDownList controls on it that both contain a range of temperatures from 60-80 degrees, one for heating the other for cooling. They are declared in the .aspx as:

<asp:DropDownList ID="heating" runat="server" />
<asp:DropDownList ID="cooling" runat="server" />

The values for each list are populated in the code-behind using:

for(int i = 60; i <= 80; i++)
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When I try to set the selected value for each DropDownList using the values in an object containing data loaded from the database using:heating.SelectedValue = myHome.avgHeatingTemp.ToString();
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The SelectedValue for both lists is set first to the value in myHome.avgHeatingTemp, then to the value in myHome.avgCoolingTemp. Heres what the values are for each variable after each step of the process of setting the SelectedValues:

Initial State
heating.SelectedValue: 60
cooling.SelectedValue: 60 [code]....

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Data Controls :: Conditionally Update Value Of GridView Row Based On DropDownList Selection

Mar 11, 2014

How to update each data in gridview from template field textbox?

if select reason is adjust-In then update plus the qty else adjust -Out minus the qty. 

<asp:GridView ID="GridView1" HeaderStyle-BackColor="#3A64F2" HeaderStyle-ForeColor="White" runat="server" AutoGenerateColumns="false">
<asp:BoundField DataField= "RowNumber" HeaderText="RowNumber" />
<asp:BoundField DataField= "INV_ID" HeaderText="INV_ID" ItemStyle-Width="150" />
<asp:BoundField DataField= "INV_TYPE" HeaderText="INV_TYPE" ItemStyle-Width="150" />
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<asp:BoundField DataField= "INV_LOCATION" HeaderText="INV_LOCATION" ItemStyle-Width="150" />
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Forms Data Controls :: Dropdownlist Setting Selectedvalue From Formview

Mar 11, 2011

I'm populating a dropdownlist in a formview with a different datasource from the formview's. I need to set the selected value according to the value in the formview's datasource but I'm having a hard time doing that.

Here's the code:
<asp:FormView ID="FormView1" runat="server" DataKeyNames="ID"
<EditItemTemplate> [code]....

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Forms Data Controls :: How To Set The Selectedvalue Of A Dropdownlist With Another Objectdatasource Used For Formview

Aug 10, 2010

I'm using a FormView which has odsMain as the datasource. I am also using a dropdownlist which is being populated with objectdatasource odsddl.

I'd like to set the selectedvalue of the dropdownlist with the value contained in odsMain (the current record value for it). Is there any way this can be done?

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Forms Data Controls :: Dynamically Set SelectedValue In DropDownList With SQLDataAdapter?

Mar 28, 2011

I have a form that's being databound with a SQLDataAdapter. I have a DropDownList with a SelectedValue='<%# Bind("FieldName")%>' on it. I was wondering if there was a way I could remove this field and set it dynamically in the codebehind and still have it insert the value of this field with the SQLDataAdapter. The reason for this is because the control I'm using doesn't have a separate InsertItemTemplate, only an EditItemTemplate which serves both purposes, and I need this to dropdownlist to only be databound on Insert.

Right now it's looking like I'll have to stop using the SQLDataAdapter and Update/Insert the data in the codebehind, but I wanted to see if there was something I was missing just-in-case.

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Forms Data Controls :: Dropdownlist Selectedvalue Does Not Exist Error?

Mar 2, 2011

I have a drop down list inside a formview control's edititemtemplate and itemtemplate. The dropdown list is not bound to a data source. I am hard-coding the listitems for the drop down list. The formview is bound to a datasource. All I want to do is set the selectedvalue of the dropdown to what is in the record from the database. But I keep getting the error.

<asp:formview .....>
.... //some other controls like textboxes that are correctly bound and display the value from the datasource
<asp:dropdownlist ID=myddl runat=server cssclass=myclass selectedvalue='<%# eval("mychoice") %>'>
<asp:listitem value='0'>I dont know</asp:listitem>
<asp:listitem value='1'>Yes</asp:listitem>
<asp:listitem value='2'>No</asp:listitem>
.....//rest of the edititem controls that display correctly.

Just for kicks, I added a textbox and set it's value to eval("mychoice") as well and it correctly prints 0,1 or 2. So, I know that there is no illegal value coming back from the datasource. It seems as something with the timing of events - when the listitems are getting bound to the ddl. The error I get is - "myddl has a selectedvalue which is invalid because it does not exist in the list of items".

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Data Controls :: Set Value In TextBox On DropDownList Change Depending On SelectedValue

Dec 21, 2012

in my and vb code web. i have a drop downlist and a text box. 

when i select the item from dropdownlist the numeric value should change accordingly. is it possible

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Data Controls :: DropDownList Has A SelectedValue Which Is Invalid Because It Does Not Exist In The List

Jun 9, 2013

Before this, everything is fine when running the project After I've put "SelectedValue" below to the field,

<asp:TemplateField HeaderText="Interest">
<asp:DropDownList ID="ddl" OnSelectedIndexChanged="ddl_IndexChanged" SelectedValue='<%# bind("int_id") %>' AutoPostBack="true" runat="server">


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Forms Data Controls :: How To Display The Data Based On Dropdownlist Value In Gridview

Dec 30, 2010

I have a gridview.In Header of gridview i added dropdownlist.


Here the problem is, i am getting selected value in temp variable(if i change to 20,50,100) in dropdown selection event but it is not binding the pagesize for the gridview and also dropdownlist showing the value "10" only after the pageload.

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Data Controls :: Disable Or Hide DropDownList Control Based On Condition In GridView

Dec 18, 2013

I am using a dropdownlist in a gridview which contains 3 valuesappleorangebanana

apple will be displayed as default valueif i select orange and banana the dropdownlist list should be disable or hidden but the selected value must be displayed

protected void btnsubmit_Click(object sender, EventArgs e)
foreach (GridViewRow gr in GridView1.Rows)


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Data Controls :: Show / Hide TextBox Based On Value Of DropDownList Inside GridView?

May 7, 2015

This is my Code

My query is if i select Other in dropdownlist i want visible textbox..

how to i do it..

<asp:GridView ID="TypeFruit" runat="server">
<asp:TemplateField HeaderText="Type" >
<asp:DropDownList ID="ddlfruit" runat="server" >
<asp:ListItem Value="0">Select</asp:ListItem>
<asp:ListItem Value="1">Fruit</asp:ListItem>
<asp:ListItem Value="2">Other</asp:ListItem>
<asp:TextBox ID="TxtOther" runat="server" Visible="false"></asp:TextBox>

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Data Controls :: Enable Disable DropDownList Inside GridView Based On CheckBox

Feb 19, 2014

How to enable & disable data value from selected table ?

For Example,  select ID from employeeTlb(for Dropdownlist function) then in asp:checkbox able to tick enable & disable that control  the  data in dropdownlist show/ hide ?

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Data Controls :: DropDownList Has SelectedValue Which Is Invalid Because It Does Not Exist In List Of Items

May 7, 2015

I got this error when select a row from a grid view to update

'ddl_ctegOf_Product_update' has a SelectedValue which is invalid because it does not exist in the list of items.Parameter name: value
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.ArgumentOutOfRangeException: 'ddl_ctegOf_Product_update' has a SelectedValue which is invalid because it does not exist in the list of items.Parameter name: value

Source Error: 
Line 265: txt_prodID_update.Text = gridTo_updateFrom.SelectedRow.Cells[1].Text;
Line 266: txt_prod_name_update.Text = gridTo_updateFrom.SelectedRow.Cells[2].Text;
Line 267: ddl_ctegOf_Product_update.SelectedValue = gridTo_updateFrom.SelectedRow.Cells[3].Text;
Line 268: txt_cateIn_hardCopy_update.Text = gridTo_updateFrom.SelectedRow.Cells[4].Text.Replace(" ", "");
Line 269: txt_prodID_update.ReadOnly = true;

The code of update:

 private void PopulateDropDownList() {
string constr = ConfigurationManager.ConnectionStrings[1].ConnectionString;
using (SqlConnection con = new SqlConnection(constr)) {
using (SqlCommand cmd = new SqlCommand("SELECT CategoryProd_ID,Cate_Pro_Name FROM CategoryOfProduct", con)) {
using (SqlDataAdapter da = new SqlDataAdapter(cmd))

[Code] .....

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