Cascading ComboBoxes And Displaying GridView

May 10, 2012

I have two comboboxes say
DDL 1 : Artist
DDL 2: Albums
And a Gridview containing (album name, artist name, no.of tracks, year, etc), What I want to achieve is: when an option(artist1) in DDL1 is chosen, then the albums related to DDL1 needs to display in DDL2 and also it must update the appropriate values in the gridview (artistname, albums(album name -no of songs, year)etc... based on the selection made (language: Asp.net(VB)-Sql server ).

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Populate Cascading Or Dependent Comboboxes?

Feb 12, 2010

how you populate cascading comboboxes? I have one combobox on one form, from which I'm trying to populate another combobox on another form. The first combobox contains Locations while the second combobox contains offices for whichever location is selected in the first combobox. I would like it to work as follows: user clicks on first combobox to select a location, and then the second combobox lists all the offices for that location.As of right now, the second combobox is just displaying the first office that is in the first record for the respective database table it is pulling from.

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Forms :: Populate Cascading/Dependent Comboboxes

Feb 12, 2010

How I can populate a combobox (combobox2) based on the selection made from another combobox (combobox1)? They are on different forms. Combobox1 lists locations, while combobox2 lists offices for each location. I would like it to work so that when the user clicks on combobox1 and makes a selection, the 2nd form loads with combobox2 showing all the offices for the selected location.

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Cascading Comboboxes And Fill It With A Stored Procedure With Parameters?

Jun 5, 2012

1. A dataset contaning all the tables, views and stored procedures from a db in the Data Sources

2. A stored procedure that makes a query using a parameter

3. 2 comboboxes with their DataSources defined

The first combobox gets populated with a stored procedure (with no params, through the Combobox task). When the user selects an item from this combobox this should trigger an event that populates the second combobox with the second stored procedure that requires a parameter.

Since the Dataset is already add to the Data Sources and contains all the procedures I need, I don't wanna to create more datasets or calls to the data base, however I don't know how to set the query using the procedure I already have passing the parameter.

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Conversion From 'DataTypeRow' To 'Integer' Is Not Valid / When Populating Cascading Comboboxes

Mar 20, 2010

I have the EXACT same code on another form and it works great, on this form though it is giving me this when loading that is happening when trying to populate the cboItemCode and cboLinePart combo boxes based on what is selected in cboLine (which will be the initial load value)[code]It is happening, I guess on that CInt( in the sql, but why?I don't understand why it is considering cboLine.Selected value as a "DataTypeRow" when it is just looking at the value member? If I remove the CInt() for the cboLine.SelectedValue it will give another error saying "Operator '&' is not a defined for "SELECT LinePartID, LinePartName," and type 'DataRowView'.[code]

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Combobox - .net Cascading ComboBoxes Connected To DataSet From Access - Changing Units And Decimal To Fractions?

Oct 2, 2011

I have a DataSet with a DataTable that has several numeric columns of Data. The numeric data is composed of distances given in U.S. Standard units. I currently have my ComboBoxes set up and working, but I need to expand on what I currently have in two ways.I need to be able to convert the Decimal numbers in my data column being displayed to Fractions, is there a way to do this and maintain databinding? In this case its the Display Member of the data source...I need to be able to display my drop down options in different sets of units... I've written Unit Conversion classes to help take care of this, but I don't know if I can somehow do this as well and maintain databinding? I'd like to convert the units on the display members as well...

Private Sub ComboBox1_SelectedIndexChanged(sender As System.Object, e As System.EventArgs) Handles ComboBox1.SelectionChangeCommitted
Select Case ComboBox1.SelectedItem

[code]....

What is the best approach for using ComboBoxes when dealing with issues such as displaying fractions and units...

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Asp.net - Get The Cascading Dropdownlist To Work In A Gridview Edittemplate Fields?

Sep 14, 2011

Error 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]....

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Comboboxes In GridView Are Synchronized Instead Of Bound To The Value From The Database

Jul 3, 2010

I have tried to set up combo boxes in the gridview but all the combo boxes have the same value in them instead of the value from the database. I am using entity framework and WPF. There is a parent child relationship between two tables but the source for the combo box is a separate table with names and IDs for tags. I have been looking all day. Hopefully this won't be too easy to solve.

The "Tag" Column displays the combo box. The Column "Tag ID" displays the value from the database. When I display the data the TagID Changes in diffrent rows but the Tag column is the same (the first choice) in all the rows. When I change one combo box they all change. I can't see where they are hooked together.

Here is the XAML

<Window x:Class="MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="372" Width="675" mc:Ignorable="d"

[Code].....

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Asp.net - Displaying Gridview With 3 Columns

Sep 1, 2011

I have a gallery which holds a large number of thumbnail images and I want to show 6 at a time.

I have this working using the code below, but I can not get the images to display as 2 rows of 3 - it shows as 6 rows of 1.

I can get the desired result by using a datalist but that stops the pageindex function from working.

I'm sure there's an easy solution but I can't figure it out.

<asp:GridView id="GridView1" runat="server" AutoGenerateColumns="False" AllowPaging="True" PageSize="6" onpageindexchanging="PageIndexChanged" PagerSettings-Mode="NextPrevious" PagerSettings-NextPageText="Next" PagerSettings-PreviousPageText="Previous">

[Code].....

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ASP.Net Gridview Border Not Displaying In IE?

Nov 21, 2011

I am working on an ASP.Net website and have a GridView displaying some data,in the OnRowDataBound event I am setting the border of the row for certain rows based on some criteria. This all worked fine when I was testing my pages locally, however when I put these pages within our master page (this is part of a company intranet site) the row borders disappear in IE yet display fine in firefox.

Is there anything that could be causing this? So far there is no CSS style applied that I know of as I set the border inside the event handler like so:

e.Row.BorderStyle = BorderStyle.Solid
e.Row.BackColor = Color.FromName("#fed69c")
e.Row.BorderColor = Color.FromName("Red")

[code].....

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Displaying Mysql Data In Gridview?

Nov 11, 2009

I have tried connecting to mysql and its working ghood now but the problem is am not able to display it in gridview or datagrid so that the data shown will look formatted

Protected Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles Button1.Click
Dim conn As ADODB.Connection

[Code].....

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Displaying Selective Columns In An Asp.net Gridview?

Oct 10, 2011

This is a follow up to my previous question: Filter DirectoryInfo files by date in asp.net

I have a gridview that is populating data from DirectoryInfo. However, I only want to display certain columns, and customize the column names and the hyperlink value in the row.

My code is:

Dim files As FileInfo() = New DirectoryInfo(strDirectoryPath).GetFiles().Where(Function(x) x.LastWriteTime >= (dtStartDate) AndAlso x.LastWriteTime <= (dtEndDate)).ToArray()

[Code]....

How can I loop through the columns, to display only "name", "extension" and LastWriteTime?

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Asp.net - Displaying Different Pictures In GridView Depending On The Data?

Dec 14, 2011

I am creating a WEB report in Visual Studio 2010 in VB.net. The report needs to display a table (please see the attached image). I am thinking to use the GridView component which i think it's the most appropriate one to choose. In the database there are students' data and marks. I can't alter the database in any way and i have to use Visual Studio 2010 with VB.

What i need to do is to show 3 different pictures(for example) depend on the student's marks. I got the pictures file in PNGs but this can be flexible.For example, over 70 will be a Smile picture. over 60 will be the Normal face. and over 40 will be the picture with no smile. I bit difficult for me to explain but i hope u get my point.

So pls advice me how can i achieve this. I am quite a newbie to this pls put as detail as you can. if there is a choice between client and server side script, i prefer server side script. Data source can be flexible (sql, or linq or anything).

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C# - Displaying Parent/child Data In A Gridview?

Oct 19, 2011

I'm trying to create a document that displays a list of items, with details below each item. I feel like what I'm trying to do should be relatively simple, and the answer is hiding under my nose, but I can't find what I'm looking for.

For an example, let's say I'm just listing people, with a child list of their favorite foods.

This is how the data will eventually be displayed:

[Code]...

I'm trying to do this with a gridview control. I'm not sure that's what I should be using. But what I'm having trouble with, is getting the gridview to only list items with a unique USERID. And then using that unique USERID to list each item individually below.

Is there any kind of "automated" way of pulling this off using standard .net controls without going in and manually piecing it all together from the codebehind?

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Renaming ComboBoxes Causes Compiler - Cross Linked ComboBoxes?

Apr 24, 2012

this is a subset of a previously posted problem, I have narrowed down my issue and am reposting a question from this thread: [URL] I have apparently confused the compiler by renaming some comboboxes in Visual Basic .net express? (See relevant code below) I think the confusion is in who should handle what, with two routines named with variations of ComboBox1 and one handling the other ( it confuses me just trying to interpret it mentally):

[Code]...

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Displaying List In GridView - Contextual Menu Creation

May 20, 2010

I am doing my application with ASP and VB and I want to display a list off rows in a gridview and associate a contextual menu to each line.

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.net - Displaying An Image In A Gridview From An ObjectData Source Created By A List In Asp.net Using Vb

Aug 20, 2011

I'm having a problem displaying an image from an ObjectData Source created by function which adds iems to a list(of T) class. The ObjectData Source then becomes the gridviews Data Soource. All the other fields are displaying, except the image.

[Code]...

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Filter ComboBoxes DataSource Based On Another ComboBoxes Changes?

Oct 28, 2011

I have a form with 4 comboboxes and a button. The first combobox is enabled, but the rest of the controls are disabled. When the form is opened I fill the first combobox (cbxMethod) with a datatable. When the user selects something in cbxMethod the next combobox (cbxStudy) will be filled and so on. When the last combobox (cbxAnalyte) has a selected value I want to enable the button and give it focus so the user can move forward with the program. I basically want to force the user to move from one combobox to the other, until all are filled.I am currently using the SelectionValueChange event, but this event only fires when the user changes the value with their mouse or hits the Enter key, not when the user hits the Tab key.

Public Class frmCalculatedAnalyte
Private cv_dt As New DataTable
Public Sub New()

[code]....

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Displaying List Of Objects As Single Column In A Bound Gridview (Winforms)?

Mar 15, 2010

I have a gridview that is bound to a datasource on a Windows Form (VB.NET). The grid displays a list of "certifications", and each "certification" can be associated with many languages. So in the grid, I'd like to display "languages" as a column, and display a comma delimited list of the language names for each "certification".

In the "certification" class, one of the properties is a list of "language" objects, and each "language" has an ID (guid), name (string), and value (integer).

So in the datasource, I have the list of "languages", but I can't figure out how to display them in a column on the grid. The gridview won't let me add the language list property as a column.

So is the ONLY way to add a new property on the "certification" class, which returns a string that contains the comma delimited list, and show THAT on the grid? Or is there a way to display that list of "languages"?

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Asp.net - Cascading DropDownList In A DetailsView

Apr 25, 2012

I have two dropdown within a DetailsView and I want to work in cascade, the idea is that an area contains various issues and these issues depend on the selected area, but I get the following error: Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control.

[Code]....

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Cascading Combobox Within A Datagridview?

Mar 3, 2009

I am trying to have cascading comboboxes within a datagridview.I have it partially working. dataset1 has 2 tables, with a parent-child relation built inDatagridview1 contains:column 1: combobox, bound to bindingsource 1 which is bound to dataset1column 2: combobox, bound to bindingsource 2 which is bound to bindingsource 1when column 1 is selected, column 2 choices are limited to those related to column 1however, if column 2 is chosen in a row that previously had data, and was loaded with the form, then its choices stay the same as the last row where column 1 was physically selected before column 2.I seem to need to refresh the binding source somehow to emulate how it works if I was to go into column 1 and make a selection by hand.H

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Asp.net - Ajax Cascading Dropdownlist Web Method In .Net?

Sep 7, 2011

I have been practicing with the online tutorial on how to do this except my dropdownlist just gets a "method error 500" in the dropdownlist.

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Stop Mdi Child Forms From Cascading?

Aug 29, 2008

I am writing a mdi app (vb 2008 express) where i want the child forms to start in the same position i.e. on top of each other. Currently the forms are casacading. I know you can set the default mdi layout in the mdiParent using [code]....

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Jquery - Getting Example Of A Cascading Drop Down List Written In .net?

Jun 26, 2009

I Need a working example of a cascading drop down list box written in vb.net for my ASP.Net MVC application. I tried converting three examples written in C# but can't seem to figure it out and I have given up.This is my first .net application so I'm a newbie. The biggest problem I'm having is just don't understand the java script code in the views.

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Asp.net - Double Databinding Cascading DropDownList To Two SqlDataSources In A FormView

Feb 7, 2012

I have two cascading dropdown lists I'm attempting to bind to two separate SqlDataSources each.

These dropdownlists exist in a FormView's EditItemTemplate. Inside the EditItemTemplate two sqldatasource controls exist that populate the department and the jobname. The DeptID and the JobID are the primary keys in those tables. This creates the "cascading effect" between departments and jobs. When a department is selected, only the jobs associated with that department appear.

This piece is working properly.

<asp:FormView ID="frmProfile" runat="server" DataSourceID="sqlDSProfile"
DataKeyNames="EUID" style="margin-top: 0px">
<EditItemTemplate>

[Code].....

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VB - Cascading IEquatable(Of TEntity) - Check Equality Between EntityId

Mar 14, 2010

I have several entities I need to make IEquatable(Of TEntity) respectively. I want them first to check equality between EntityId, then if both are zero, should check regarding to other properties, for example same contact names, same phone number etc. How is this done?

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Cascading Combobox - When Change Cb1 - Change Cb2 And Click Save Button - Cb2 Seems To Be 'lost

Feb 15, 2012

I have two combobox in a form: Cb1 and Cb2

When I load the form, Cb1 and Cb2 are connected to a bindingsource.

When I change Cb1, the code (below) changes Cb2 to show only the items according to Cb1

This is working fine.

The problem is when I change Cb1 , change Cb2 and click the save button..... Cb2 seems to be 'lost'...

I'm using VS2008.

CODE:

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Asp.net - Show Pop Up Menu From Database In Gridview On Each Gridview Row Items?

Dec 6, 2010

How to show pop up menu from database in gridview on each gridview row items ?Example of this is : http:[url].....Move your cursor to Departure time and arrival time...a want this type of popup in gridview items....which fetch entries from database..

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Manipulate A Gridview In Asp.net When Columns In Gridview Are Generated During Runtime

Sep 24, 2009

In my application,i have a gridview in which columns are created at runtime.Actually these columns are created when i am entering data in a database table.[code]where Column1,Column2,column3 may vary during runtime.i need to enter values to these columns during runtime.But i cant bind these columns because these are created during runtime.The first column "Description" will not change.It will remain constant.For each description, there will be values for each column.At last these data will be saved to the database.How to add columns in the gridview during runtime?

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Asp.net - Export Gridview To Excel Without The Gridview Formatting VB

Sep 23, 2011

I am able to export a gridview to excel, my problem is that I cannot figure out how to remove the formatting from coming over from the girdview. Here is the code I am using to export the gridview: Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click

[Code]....

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