Make GridView Work Like DropDownList Where Can Enable Auto-Postback?
Aug 31, 2009How can I make GridView work like DropDownList where you can Enable Auto Postback
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Make GridView Work Like DropDownList Where Can Enable Postback?
Aug 28, 2009How can I make GridView work like DropDownList where you can Enable Postback
View 4 RepliesHow To Make DropdownList No Postback
Sep 12, 2011How can I make dropdownlist no postback - I have a dropdownlist which I put a code in selected indexchanged - basically for every indexchanged the code will connect to sql and get values then populate textboxes with values.
Here is my code
<asp:DropDownList ID="ddlSalesOrg" runat="server" Style="width: 200px;"
AutoPostBack="true" />
Obviously when I remove the autopostback="true" - then indexchanged will not function as expected.
Asp.net - Get The Cascading Dropdownlist To Work In A Gridview Edittemplate Fields?
Sep 14, 2011Error is ddlgvRooms' has a SelectedValue which is invalid because it does not exist in the list of items.Parameter name: value
I read a lot of people having issues with this particular problem but non of the fixes have worked for my case.I have tried a few different things such as setting appenddatabounditems="true" also tried to set in the itemcollection a default null value.Most of the forums post on this that I read were from a couple years ago im hoping they fixed this bug already and I am just overlooking something.I am trying to get my cascading dropdownlist to work in a gridview edittemplate fields. I created these in my detailsview on insert everything works great.
MySetup Basically I have a webmethod that has 2 functions getRooms and getJacks that are supposed to grab the data from the 2 datasets that I have created.The Datasets get their data from a couple of SQLSTOREDPROCEDURES.My aspx page dropdownlist and AjaxCDDL looks like this
<EditItemTemplate>
<asp:DropDownList ID="ddlgvRooms" runat="server"
SelectedValue='<%# Bind("intRoom") %>'>
[code]....
Asp.net - Dropdownlist Is Cleared On Page Postback
Apr 8, 2011I have a FormView bound to a SqlDataSource on my page. One of the controls on the FormView is a DropDownList, which gets populated on Page_Load (it's being populated with a list of file names from a specific folder).
Everything goes well when the page first loads. I am able to view the list of files, select one and, upon hitting the "save" button, store the correct filename in the database. However, when the page refreshes after the post back - the DropDownList is empty.
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Remain Index Of Dropdownlist After Postback?
Nov 9, 2011I have dropdownlist and set autopostback Property to true.. the problem is that i when i change index of dropdown list Page gets postback. After Completion of Page load index of dropdown goes to 0 automatically.
How can i remain index of dropdownlist after Postback
Asp.net - DropDownList After Postback All Values/index Lost
Jun 11, 2012I'm running into a little problem with a gridview and a dropdownlist. I can get the dropdownlist to load initially, but when it autopostback's it returns with no value. I am populating the dropdownlist in the RowEditing sub. I'm guessing that I must somehow rebind in the RowDataBound sub, but don't know how to go about it. If I try to find the control's SelectedValue I end up with nothing.
VB Code
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not IsPostBack Then
[Code].....
Asp.net - Dynamically Created DropDownList Loses ListItems On Postback
Mar 8, 2009I have a page that contains some dynamically created controls (TextBox and DropDownList). When a postback occurs, the TextBoxes keep their values, but the DropDownLists lose their ListItems. This is quite confusing, since the page level DropDownList also keeps its ListItems.
<%@ Page Language="VB"%>
<script runat="server">
Protected Sub Page_Init(ByVal sender As Object, ByVal e As System.EventArgs)
[Code].....
C# - Possible To Re-DataBind A DropDownList Upon Postback Triggered By SelectedIndexChanged Event?
Feb 3, 2011Let's say I have a DropDownList of product categories and a ListView of products based on the category selection in the DropDownList. When a user visits the page, there is a possibility of conconrency issue as new product belonging to a new category may be added to the inventory as the user is browsing.When the user selects a different category to view(a SelectedIndexChanged event) and causes a postback, I want the DropDownList to update the list of categories to include the new category being concurrently added and at the same time still able to make a change of selected index.
View 4 RepliesStop GridView From Postback?
Mar 10, 2009on my aspx page I have 4 dropdowns and a gridview.Each dropdown is populated based on previous dropdown selection (each of the dropdowns are autopostback=true)and the grid suppose to display data when all dropdowns are selected. The bad thing is that the grid gets repopulated whenever any of the dropdown selected.So when a user select first dropdown, the grid displays data, then it repopulated again on second dropdown postback and so on...I would like to have a user to select all values in dropdowns and after that on a click of a button show the datagrid.How do I do that?
View 2 RepliesAuto-Postback On Text Field?
Apr 7, 2010I have text field that a user enters a date in. Based on what they enter a drop down box will appear or not appear. To obtain the info for the code to control the drop down I am using an auto post back on the text box. This is however making the app a bit clumsy as the user is taken back to the top of the page.
View 2 RepliesEmbedded Gridview Postback Into EditMode?
Jul 5, 2011I have a page I'm working on with a Gridview embedded into a Gridview. The page uses templates to fill itself out, including the edittemplate for rows. When the row is in edit mode, 3 of the cells contain dropdownlists.I'm trying to filter these dropdownlists to prevent conflicts. The problem is that when the page autoposts back, the row is no longer in edit mode. Is it possible to persist edit mode on that row through a postback and apply the filter I need to?
View 1 RepliesGridview Showheaderwhenempty Works Only In Postback
Apr 2, 2012I realized that ShowHeaderWhenEmpty only works in PostBacks. Is there any way to make it work once the page is loaded? [code]When I have no info to show, the above message only appears in PostBacks, no when the page is loaded.
View 1 RepliesHow To Disable Postback On Click Of A Button In The Gridview
Jul 6, 2010i am working on vb.net.When i click a button in one of the row in the gridview, i am called a function to delete the data of tha row. it is working but it is getting postback.i have placed gridview inside asp updatepanel. How to prevent postback.
View 1 RepliesHow To Insert Checkbox Checked Value To Textbox Without Auto-postback
Nov 27, 2010I have unlimited asp.net checkboxes to my webpage .How to insert checkbox checked value to textbox without autopostback.I i check checkbox1 and checkbox2 then in textbox it appear as 1,2 ...and after when i uncheck checkbox1 then in textbox the value would be 2.and if i uncheck checkbox1 and checkbox2 then value in textbox is blank
View 1 RepliesJavascript - Set JQuery Toggle To Be Open On ASP.Net Gridview Postback
May 12, 2011I have a jQuery 'toggle' function on a table that I am using in conjunction with an asp.net gridview. I have pagination on my gridview and when I click on the next page, it posts back and therefore closes the Toggle/Table - I need a way of keeping it open. I have had a similar issue in the past with the Accordion function but resolved it via this method
<asp:HiddenField ID="hidAccordionIndex" runat="server" Value="0" />
<script language="javascript" type="text/javascript">
$(function () {
[Code].....
Asp.net - Dropdownlist Results In Gridview?
Aug 19, 2009I'm having some trouble getting the results of the drop-downs in a gridview, and haven't found any helpful articles for VB code.
What I'm trying to do is build a site for tests. So far I have the gridview built w/the extra column for a drop-down list where the true/false answer will be selected. When the test is completed, there is a submit button. All is well except I need to be able to get the results of each drop-down list on post-back to a variable or array (each test contains 10 questions) so the results can be checked/graded. When the results are determined I would like to display a label in it's place and change the text value accordingly (correct or incorrect), so I'll need to be able to enumerate these as well (i.e. label1.text="Correct!", label2.text="Incorrect!", etc...).
Code so far.
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
DataSourceID="SqlDataSource1" BackColor="White" BorderColor="#3366CC"
BorderStyle="None" BorderWidth="1px" CellPadding="1">[code].......
The preceding code loads 10 rows, 2 columns (column1:Question | column2-[DropDownLists]:Answer). I'm a freshman when it comes to development, so if you need additional info let me know.
Asp.net - Populate A GridView With A DropDownList Value?
Mar 5, 2012I have created a connection string, and i am populating a dropdownlist with an ID from a sql database.I want to be able to click on a ID from the dropdownlist and run a query to populate a gridview with data. I have made the dropdownlist autopostback = Enabled. I am not getting an error.
Here is my code:
Protected Sub DropDownList1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ddlContracts.SelectedIndexChanged
Dim ds As New DataSet
[code]....
ASP.NET GridView DropDownList Posts Empty Value
Feb 23, 2012I'm having trouble with a DropDownList within a GridView that posts a NULL value when in fact a value is selected from the list when using inline editing.
The problem is that I can't use this method to bind the value to the UpdateCommand in my SqlDataSource:
SelectedValue='<%# Bind("Value") %>'
The reason for this is because the value might not exist in the list so it throws an exception.
Is there a way I can bind the value to the UpdateCommand without using SelectedValue?
Asp.net - DropDownList Within GridView - Update Row With OnSelectedIndexChanged
Apr 5, 2011I have a list of items in a GridView, with one column I'd like editable through a DropDownList.
I do not wish to put the GridView into 'edit' mode or have any 'confirm/update/save' buttons.. I just want autopostback on the DDL, and an OnSelectedIndexChangedevent to update the row.
Problem is, from my OnSelectedIndexChangedevent within the DDL, although I can see the new value to save, I can't discover the row to update from the GridView.
how I can achieve what I wish? Other than perhaps storing the row id within the DDL? Maybe turn it around so the GridView's events are called?
Creating DropdownList In Header Of GridView
Nov 21, 2011I need to create a gridview which fills its column with data from an excel sheet and for each column in the gridview, the header should contain a drop down list with listitems like telephone, name, price which the user will select and set as the header for the particular column. I imported data into gridview but I am not able to create a drop down list in the gridview. If I try to create a dropdownlist in the designer page, it is just creating the dropdownlist in the gridview header but not populating the data. So How can I create a dropdownlist in the header of the gridview while populating its column data from excel sheet.
The code I used to populate data into gridview is
Dim con As String = ""
Select Case Extension
Case ".xls"
'Excel 97-03
DropDownList SelectedIndexChanged Within Gridview Not Firing
May 6, 2011I have been looking for a solution to this for a while though and seen many posts that show me how to do it but yet I cannot get my SelectedIndex Changed event to fire when the DropDownList is changed.The DropDownList AutoPostBack is set to True,[code]
View 2 RepliesHow To Insert Value In Dropdownlist In The Footer Row Of Gridview
Jan 12, 2010I have Gridview with Template Field.And I Put Dropdownlist at footer row of gridview. but when i insert the value from a database table in dropdownlist , than it generate error.
for filling value i declare variable like in databound event of gridview.
for example: dim varclass as new dropdownlist
varclass=Gridview1.footerRow.findcontrol("ddlClass ")
it generate error that: Object reference not set to an instance of an object.
Searching In Gridview With Dropdownlist An Textbox
Aug 17, 2011i am working in a project and what i want to do is to have a search drop down list and text box. Lets say i have a gridview with all my results from database. In gridview i can see Name, Surname, country, phone number. From the drop down list i want to select the column in which i want to make my search. For example, from 3 choices(name, surname or country) i will select country. Then i have to type a country name in text box and the search engine will make the search for the country column. For example if i will type "U.K" in text box as a result i want all the people(name,surname,country) WHERE COUNTRY = U.K.
[Code]...
Set Dropdownlist In Gridview In Rowediting Event
Sep 7, 2010Trying to get the findcontrol to work so I can set the default value of the dropdownlist I have in a template field, but I'm having no luck. Am I doing something wrong?
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Two Dropdownlist Nested In A Gridview Control?
Jun 17, 2011a query, as I can make a development of two nested dropdownlist in a gridview, so that one is loaded with data according to the selection of first.
View 2 RepliesSaving State Of Checkbox And Dropdownlist In Gridview?
Nov 30, 2010Firstly i'm not asking for the exact code here but the below is what i'm trying to do:I have a gridview with DropDownList and CheckBox and I have a button outside the gridview that will add a new row within the gridview.I have no problems with the adding row but I have a problem with saving the state of the checkbox/drop down list.Everytime I checked the checkbox and add a new row, all the DDL/CB will be reset.So how can I do it so that when I add a new row, the checkbox that I've checked before will still remain check.
View 3 RepliesAsp.net - How To Enable / Disable Any Record In Gridview
Nov 23, 2010How to enable / disable any record in gridview ?
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when i click on enable then record will be displayed in gridview and the enable button will convert into text disable... and when i click on disable then the record will be disable in gridview and enable button will appear ... I want to use vb.net, asp.net (vb) to do that ...
Enable Single Gridview Cell?
Jun 1, 2009How to enable single gridview cell when we wish to update/modify the data in data base? In VB.Net and im using MS Access as my database.
View 3 RepliesAsp.net - Dropdownlist In Gridview Not Fire Select Index Changed?
Nov 18, 2010i have problem for the drop down list in the grid view, it not fire the select index changed. I bind the data for the drop down list when the row databound. But when i select the data, it not fire the select index changed. Another drop down list which hard code the item list fired the select index changed. Below is the code behind and the front end code.
<ItemTemplate>
<asp:DropDownList ID="ddlItem" runat="server" Width="80%" AutoPostBack="true" OnSelectedIndexChanged="ddlPrice_SelectedIndexChanged"></asp:DropDownList>
</ItemTemplate>
[Code]....