Forms Data Controls :: Using Asp:dropdown Lists To Filter Gridview
Oct 4, 2010
I'm trying to create a page with multiple fields to be used as parameters for filtering a GridView. I'm using a combination of two asp:dropdown lists and two check boxes. When I select a value in one ddl, I want to clear the value in the other ddl. I was trying to use the event "onTextChanged" but that doesn't seem to fire off on the client side and I cannot seem to find any event for an asp:ddl or asp:checkbox or asp:radio button that fires off on the client side.
Are there events, like onClientClick for asp:button, that fire on the client side for these controls when a selected value is changed or when the user clicks on them? or do I need to use html controls instead?
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Similar Messages:
Nov 4, 2013
i am stucked in Checkbox Filteration issue... My problem is If first checkbox list is checked and user clicks on second checkbox list then i want to compare both checkboxes and populate result based on both checkboxes. using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;
using System.Data.SqlClient;
[code]...
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Jul 22, 2010
I have 2 drop downlists 1 gets the User hits my sql database and pulls back all my users in the database. I have post back on. The second drop down brings back all the account numbers for the user that is selected in the first drop downlist I have that post back on also.
My gridview then uses those 2 dropdownlists to populate for that user and that account number selected.
Now for the problem.
User Albert is in the drop down when page is loaded because its sorts by name the first account number for albert is in the 2nd drop down and the gridview works on page load for albert and account number 1 i can select account number 2 and the gridview changes.
I then switch user to Bill and it populates the 2nd drop down with Bill's account numbers however my gridview at this point is still showing alberts account information. I have to take drop down 2 and select another account say account 2 then my gridview displays bill's account 2 information i can then switch back to account 1 for bill and see that account information.
What do I need to do so that my gridview will populate when the first dropdown is changed to match the 2 new values?
Here is my code
[Code]....
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Sep 7, 2010
Example for Editable Grid with dropdownlist inside? Getting some problem in updating the data
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Apr 24, 2010
I have a Gridview with a parameterized SQLdatasource. I want the Gridview to be filter when the a selection is made from the dropdown list Here is what I have. I am missing something.
<asp:SqlDataSource ID="SqlDSAlbums" runat="server"
ConnectionString="<%$ ConnectionStrings:Default %>"
SelectCommand="SELECT Album.Album, genre.Genre, Band.Band, Album.year, Album.AlbumUID FROM Album INNER JOIN Band ON Album.BandUID = Band.BandUID LEFT OUTER JOIN genre ON Album.GenreUID = genre.GenreUID WHERE (genre.Genre = @Genre) OR (genre.Genre <
'ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ') ORDER BY genre.Genre, Band.Band"
ProviderName="<%$ ConnectionStrings:ConnectionString.ProviderName %>">
<SelectParameters>
<asp:ControlParameter ControlID="ddlGenre" Name="Genre"
PropertyName="SelectedValue" />
</SelectParameters>
</asp:SqlDataSource>
<asp:SqlDataSource ID="SqlDSGenre" runat="server"
ConnectionString="<%$ ConnectionStrings:Default %>"
SelectCommand="SELECT Genre, GenreUID FROM genre Order by Genre"></asp:SqlDataSource>
Select a Genre
<asp:DropDownList ID="ddlGenre" runat="server" DataSourceID="SqlDSGenre"
DataTextField="Genre" DataValueField="Genre" AppendDataBoundItems="True"
AutoPostBack="True">
</asp:DropDownList>
<asp:GridView ID="gvAlbum" runat="server" AllowPaging="True"
AllowSorting="True" AutoGenerateColumns="False" DataSourceID="SqlDSAlbums">
<Columns>
<asp:BoundField DataField="Album" HeaderText="Album" SortExpression="Album" />
<asp:BoundField DataField="Genre" HeaderText="Genre" SortExpression="Genre" />
<asp:BoundField DataField="Band" HeaderText="Band" SortExpression="Band" />
<asp:BoundField DataField="year" HeaderText="Year"
SortExpression="year" />
<asp:TemplateField HeaderText="Comments">
<ItemTemplate>
<asp:HyperLink ID="hlToComments" HeaderText="Comments" runat="server" NavigateUrl='<%# String.Format("ViewComments.aspx?AlbumUID={0}", Eval("AlbumUID")) %>' Text="Click Here" />
</ItemTemplate>
</asp:TemplateField>
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Sep 25, 2010
I have a number of dropdown lists which are populated from a database. They load depending on what the previous dropdown selection was so for example if the system was car based and I had chosen Ford then the next dropdown list would populate all cars made only by Ford. What I'm wanting to do is add a select all to one of the dropdown lists. Does anyone know how this would be done?
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Jan 17, 2011
I am using a dataset control and I have 5 dropdown lists in which their content depends on what item is selected in each dropdown list.
I know I can populate the lists with 5 different queries taking the variables from each list but I am thinking there must be a better way.
Is there a way to populate each list with one query that takes the distinct items from each column returned without looping through the entire recordset?
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Jun 11, 2010
I'm having a problem with using a dropdown to filter the contents of another drop down. The basic idea is:
Dropdown 1 = CountryList (Column1)
Dropdown 2 = StateList (Column2)
I read the contents of a CSV file and populate the gridview. The user then visually verifies that the data is valid and proceeds to upload to the database. To do some testing, i have intentionally changed spellings of country names so they DO NOT match the countrylist which the grid view then flags with a different background indicating bad data. The user then edits the gridview. The Country and state columns then show a drop down control populated with the country list and filtered states list based on countryID.
Here's the ASP.NET ASPX Source for the section of code that is dealing with the gridview
[Code]....
Here's the section of VB Code behind that deals with handling the "RowEditing", specifically the binding of the dropdowns
[Code]....
The proglem is that these dropdowns are ment to easily fix minor errors in data. When i intentionally changed the spelling of "Canada" to Canadaa", this has no corresponding CountryID in the table and the ddlEdtStateID Dropdown's datasource filter does not work. I tried setting the datasource to nothing if a valid CountryID was not there and then i tried to use the SelectedIndexChanged event for the ddlEditCountryID to programmatically set the datasourceID for ddlEditStateID but when i try using CType(FindControl("ddlEdtStateID"), DropDownList) to set the DataSourceID, it does not find the control.
If the Country does not exist, then i just want the stateslist dropdown to say "select a country" but when a valid country is selected, it should display the filtered list for that countryID. Right now, if bad data is entered for the country, then the program crashes when it tries to populate the state drop down. I want it to just say, select a country when the countryID is not valid.
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Oct 31, 2010
I need good css for Gridview just like the mac css
can we provide the filter functionality to gridview like the excel filter.
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Oct 20, 2010
I have a dropdownlist and a gridview with a drop down list in every row. I have removed other cols in Grid for simplicity.
Whenever a new value in the dropdownlist is selected I would like to set all of the dropdownlists in the gridview to that same value via javascript. (Yea both the dropdownlist outside the gird and the ones inside the grid are populated by the same data source)
The dropdownlist:
<asp:DropDownList onchange="javascript:onJDSelection();" ID="DropDownList3" runat="server"
DataSourceID="SqlDataSource4" DataTextField="circt_cstdn_nm"
DataValueField="circt_cstdn_user_id">
</asp:DropDownList>
The GridView:
<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False"
DataSourceID="SqlDataSource1" onrowdatabound="GridView2_RowDataBound">
<Columns>
<asp:TemplateField HeaderText="Change to Job Designer" SortExpression="circt_Cstdn_nm">
<EditItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("circt_Cstdn_nm") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:DropDownList ID="ddl_jd" runat="server" DataSourceID="SqlDataSource4" DataTextField="CIRCT_CSTDN_NM"
DataValueField="CIRCT_CSTDN_user_id"></asp:DropDownList>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
My current attempt:
function onJDSelection() {
var jd = document.getElementById('ctl00_MAIN_DropDownList3').Text;
var grid = document.getElementById('ctl00_MAIN_GridView2');
for (var i = 1; i < grid.rows.length; i++) {
grid.rows[i].cells[0].getElementsByTagName("*")[1].selectedText = jd;
}
}
[Code]...
When clicking on the dropdown I get an alert that says "test" and an alert that says "[Object object]" However nothing happens with the dropdowns in the grid and the alert(i) never fires.
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Jan 15, 2011
how to implement a filter feature like this? What Ajax or JQuery controls can be used for this (if any)?
Here is an example of how the UI might look like:
See the Exchange Management Console image:
[URL]
Here is the spec:
The ASP.NET page has a "Filter" component and a "Apply Filter" button. The "Filter" component consists of 4 UI controls as below:
1. A dropdown list with prepopulated values like "Name", "Department", "Building", "Email Address".
2. A dropdown list with four operators - "Equal", "Not Equal", "Like", and "Not Like"
3. This is a dynamic control. It could be a textbox or a dropdown list. If the user chooses "Name" from the first UI control, the third UI control will become a Textbox. If the user chooses "Department" from the first UI control, the third UI control will become a dropdown list with all departments within this company pre-populated.
4. A button with AND expression. If the user clicks this button, one more Filter component will be created.
One possible user case is like this:
ASP.NET: when the page is loaded, it displays one Filter component (3 UI controls and a AND button), a "Apply Filter" button, and an empty "Filter Result" data grid.
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Aug 4, 2010
I have a listview that is displaying records currently based on a dropdown.. works great.. now, within those results returned, i would like to filter down some more.. How can i add a dropdownlist to the page that is populated with data from the listview(only 1 field would be used to create the list ) and if you chose to filter by that drop down, then the listview is revised to display only records with the selected value.
Example..
Currently you pick from a drop down.. Report#1, Report#2 or Report#3 Say report#1 returns 100 records.. and the field im going to be filtering on is my "Vendor" field.. so once my listview displays my results, a dropdownlist is populated with all the vendors that were returned with the query.. could just be a few..
Now you are sitting there paging thru all the records.. and realize you really just need to see out of the 100 records, records that belong to Vendor#3, so you pick #3 from the drop downlist and the procedure is called again now filtering on that vendor..
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Feb 10, 2010
I have started learning ASP.NET. I am Trying to filter GRIDVIEW values on basis of dropdown selection.I am working trying to do this with AJAX.
When a user selects any value from the drop down..suppose an employe ID.the gridview is filled with data according to that empID.
how Can I do that.
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Sep 3, 2010
i have a dropdown with month names if the user has data for the month tht is selected then gridview displays the rows with day nos as per the month but if the gridview has no data for the same the dropdown or gridview via some event should call a insert procedure to insert data into the table for tht month with daynos ad rebind the gridview witht the rows just created
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Mar 4, 2011
I have a gridview where i have two fields. one is product and second is sub category.
I need to do 2 things.
1. I need to populate the two combos from the database. But depending what is selected in dropdown 1 this will determine what needs to be populated in drop down 2?
how can i achieve this?
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Sep 30, 2010
i have two dropdown lists and i would like if i select lets say "1" the second list returns "A""B" but instead it returns "A" how to make the second list display A"B when i select "1" from the first list.
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Jul 6, 2010
I don't want to link my dropdownlists with a database like most of tutorials and forums show. I just want to link 2 dropdownlists, for instance if one says "Food" I want to show only the food producs in the other DropDownList. All this items are not from a database, I just inserted them in the DropDownList control.
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Jul 14, 2010
I have 3 dropdown lists. All 3 are using the same generic list for there items. I am using C# as the code behind. The code below shows the DTO list i am using and how I'm adding them to the drop downs...
[Code]....
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Nov 22, 2010
in all browers this works but in IE the dropdown list items in my modal pop up extender vanish when I make a selection. I even have a ddl in ajax panel and the same thing happens. it seems like a bug.
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Mar 6, 2010
I want to know how to make up dropdown lists with numbers in them and and the end of the page as you selected the numbers they add themselfs up and you see a total at bottom the page
drop down list one 50
drop down list two 55
drop down list three 35
TOTAL IS _____140 _______
(and the end of the page when you select one number in each dropdown list) it adds it up for you and shows your total on the same page
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Oct 12, 2010
i have over 100 items all loaded in a dropdown list. They all are assigned a value between 1-10 which represent 10 categories. When certain buttons are clicked, i want the dropdown list to display only items with a value "1" or "2", etc.
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May 11, 2010
I'm using a sqldatasource to populate a gridview. I've figured out how to use the dynamic sorting, but I'm curious if there is a way to add filtering on each column. So, if a user wants to pick one specific value from grid, then it would re-populate with only rows that have the specific value selected. Excel has this feature in a workbook, but am curious if this is possible on a vb.net web page.
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Mar 21, 2010
How can i dynamically add textboxes and dropdown lists on a button click. I'll be showing 4 text boxes and 1 dropdown list initially with a link button ADD MORE, Then after clicking ADD MORE button i need to generate same 4 text boxes and dropdownlist exactly in the below row as in EXCEL sheet.
I'm having a SQL table with 4 textboxes and a drpdown list values as columns and i need to insert them into the database. i previously worked on the same requirement where i've collected multiple values frm a listbox control and looped all the selected items and comma seperated them and inserted them into table(here the case is different, there is only one row so it became simple and straight forward during insertion). Now i need to loop throguh all the 4 textbxes which user enters and need to insert those 4 textboxes values into DB under same columns.
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Dec 20, 2010
How do I do this? I'm using a login control inside a loginview control. I want to use the username entered as a parameter in the select statement of my gridview so that it will filter the data to display only the rows that contains that username.
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Mar 23, 2010
am using GridView with SQLDataSourceI want to add filter DropDownList to the footer of the grid,each column of the grid will have a DropDownList in its footer that has all data in that grid (including data in other pages)how to do that?
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