Binding IEnumerable Data To A Gridview?

Mar 1, 2012

I've searched everywhere for some example code for this, but I can't figure out how to bind data returned from a function that looks like this to a gridview or dataset.

Public Function GetCompanyList() As IEnumerable(Of BusinessUser)
Return (From companyList In CorporateLists
Select companyList.User).Distinct()

[code].....

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Creating A Gridview And Gather The Data From Various Functions That Return A Type Of IEnumerable?

Feb 28, 2012

I am creating a gridview and need to gather the data from various functions that return a type of IEnumerable. I've created gridviews using a dataset as a datasource, but how does one use multiple data sources(of IEnumerable) to populate one gridview? Like how do you combine all that into one dataset?

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C# - Convert Datatable To IEnumerable<T> To Pass To Result<T>(IEnumerable<T> Data);?

May 9, 2011

I have an object called Result<T> that has a constructor which accepts an argument of IEnumerable<T>. I'd like to be able to pass in a datatable if possible.

I tried datatable.AsEnumerable(), but where I bind to the data it was complaining that 'MyProperty' is not a field or property on type 'DataRow' - which makes sense since 'MyProperty' isn't a property on 'DataRow', but it was a column in my datatable.Is there a way to convert a datatable to something that I can pass into the Result object and still have it bind to, say, a gridview?

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C# - Empty Row Last Row Of Data In Gridview After Binding From XML?

Oct 25, 2011

I am trying to bind XML data into a gridview, after clicking the 'ButtonSaveToDataBase' button, the method will begin to read data from my gridview and load it into an array of my serializable class type and after that serialize it and finally store it into a XML type field in my SQL. The problem is When I call BindData() at the end of the serialization, it reads the XML from my database and successfully binded it but my gridview displays an empty row below my datas like this:

[Code]...

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Implement The .Find Method When Binding A BindingSource To LINQ (IEnumerable) Result?

Mar 15, 2008

I'm binding a DataGridView to a BindingSource to a LINQ IEnumerable, I found that the BindingSource.Find method throws an exception because .Find isn't implemented in IEnumerable (and the BindingSource just passes the call to it's DataSource). I need to use BindingSource.Find to select/highlight a particular row in the DataGridView.

Is there a feasable way to extend my DataContext to support this behavior w/o breaking anything else? I expected to find the code out there already, but I've searched exaustively with no luck.Without it, I cannot "move" the BindingSource using .Position and that's a pretty common use of the BindingSource I think.

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.net - Transpose 2D Array That Exists As IEnumerable Of IEnumerable?

Dec 16, 2010

I tried using the linq Zip method on IEnumerable but it does not work for more than 2 arrays.Here is an example in Python of what I am trying to do(I got p - nested IEnumerable - and need q - another nested IEnumerable):

>>> l=['a','b','c']
>>> m=[1,2,3]
>>> n=['x','y','z'][code].......

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Asp.net - Error When Binding 2D Array To Gridview

Jun 10, 2011

I want to bind a multidimensional array to gridview, but it display the following error when running "Gridview1.DataBind()"

"Array was not a one-dimensional array."

The following is my code:

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
CreateArray()

[Code].....

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Asp.net - Gridview Binding With Combobox's In Header

Jul 27, 2010

how one might go about binding to a gridview in ASP.Net 4 in a scenario where the first row of my gridview should be the headers, the second should be a combobox for each column and the third is the beginning of my actual datasource.

If you can imagine what I am trying to achieve is an ability to create a binding between each column in the datagrid and another datasource. This binding is created by the user selecting a value in the comboboxes. However no matter what I try I cant seem to achieve this.

HeaderText1 | HeaderText2 | HeaderText3
ComboBox1 | ComboBox2 | ComboBox3
DataRow1 | DataRow1 | DataRow1
DataRow2 | DataRow2 | DataRow2
DataRow3 | DataRow3 | DataRow3

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Binding Textbox Values To A Gridview

May 2, 2009

i have three textboxes.After entering vales into the textbox the data should be displayed in gridview without going to the database.

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Gridview Binding With Combobox's In Header?

Aug 23, 2010

enlighten me about how one might go about binding to a gridview in ASP.Net 4 in a scenario where the first row of my gridview should be the headers, the second should be a combobox for each column and the third is the beginning of my actual datasource.If you can imagine what I am trying to achieve is an ability to create a binding between each column in the datagrid and another datasource. This binding is created by the user selecting a value in the comboboxes. However no matter what I try I cant seem to achieve this.

HeaderText1 | HeaderText2 | HeaderText3
ComboBox1 | ComboBox2 | ComboBox3
DataRow1 | DataRow1 | DataRow1

[code].....

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Asp.net - Write Use Case(s) & Test Driven Development For Binding A Gridview?

Mar 9, 2011

I'm still trying to understand and use Use Cases and Test Driven Development, but having a hard time crossing the line. I'm hoping someone can provide a good example of how setting a datasource and/or databinding a gridview could be accomplished using Test Driven Development. Here is my pseudo approach at it.

[Code]...

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How Is WPF Data Binding Using Object Data Source In Visual Studio 2010 Done

Apr 23, 2010

how to use the VS 2010 IDE tools in a way the Microsofties didn't specifically intend. But since this is something I immediately tried without success.

I have defined a .NET 4.0 WPF Application project with a simple class that looks like this:

Public Class Class1
Public Property One As String = "OneString"
Public Property Two As String = "TwoString"

[Code]....

The expected result was that "OneString" would appear next to "One" and "TwoString" next to "Two" in the running window.

The question is: Why didn't this work? What will work instead? If I put bindings in a DataTemplate, it works. Blend, with its sample data stuff, implied that this should work, but it doesn't.

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Binding Data Or Load Data To Combobox Using SELECT Query?

Jun 3, 2011

i hve create combobox & text box and add database source to my project...i know how to binding data or load data to combobox using SELECT query..but can i change SELECT to INSERT query cz i wont when i type data into textbox,data will be in database...second..can i binding without add database to project..i mean mydatabase in debug folder..i hve problem binding data if database is not in myproject..

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Data Binding - Update The Grid Data By Reading The Array

Apr 2, 2012

Data binding should be an extremely simple thing to manage but I can't find a SIMPLE solution to the following problem.

I have two forms

Form1 contains a 4x4 MSFlexGrid (unfortunately an unmanaged COM object but I can merge cells, which I can't do with a managed Datagrid)

Form2 contains other controls which change the data in the Flexgrid.

I connect the two with a Public 4x4 array. Form2 changes the data in this array. I can update the grid data by reading the array. But how do I bind the Grid to the array so that it auto-updates - which is the whole point of binding isn't it?

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Listbox In Form That Gets Its Values From A Data Table By Data Binding

Jul 31, 2010

I have a listbox in my form that gets its values from a data table by data binding. My question is, when the data (row) is loaded it also selects the first line automatically. I do not want this because I want the listbox to select an item only when the user clicks on it. Otherwise, the iteme should ony be listed. Is there a way to manage this?

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Binding Excel Data To A Datagrid Without No Header Just The Data?

Oct 31, 2010

i want to binding excel data to a datagrid without no header, just the data.for example :my excel files consist of 3x3 matriks data in 3x3 excel cell like this

1 2 3
4 5 6
7 8 9

and i want to show all this data on data grid i have tried with some code like this

Dim MyCommand As System.Data.OleDb.OleDbDataAdapter
Dim ds As New DataSet
MyConnection = New System.Data.OleDb.OleDbConnection("provider=Microsoft.Jet.OLEDB.4.0; " & _

[code]....

but the first row of that data ( 1 2 3 ) is not shown up in the datagrid, just the 2nd and the 3rd row that shown up in datagrid?

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Getting Data From A Data Source Using Binding Sources?

Aug 14, 2009

I have a bit of code that reaches out and grabs a series of rows from SQL Server DB. I perform an inner join to get some related table data. In the process I get returned the user id of the creator of the data. I then want to pass this into a query to get back a full name. I am having no luck figuring out how to do just that. If I use the data visualizer I can see the name I am after, I cannot figure out the call to extract it

Bindingsource1.DataSource = GetData("Select * From PURCHASE_ORDERS WHERE PURCHASE_ORDER_NUMBER =" & REQ_NUM.Text)
.DataSource = Bindingsource1

[code].....

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Winforms - Binding Data To A Data Repeater?

Nov 15, 2009

I'm looking for a line or two of code that will bind a DataSet.Datatable column to a textbox on a Datarepeater?

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Select Data From Data Gridview And Retrieve To Another Form

Apr 11, 2011

i want 2 select data from data gridview and want retrive that data into another form in to the textbox ...is it possible ? i 'm doing like this for that

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.[code...]

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How To Use Data Binding

Dec 12, 2010

I have produced an Access database and a dataset linked to the database, and am working on a form in VB to enter data to this database. This form was produced by dragging the required fields from the data sources manager to automatically bind to the dataset.

I am attempting to use some radio buttons to allow users to select their gender on a form. I do not know how to take the results of selecting either radio button and upload the user's selection to the dataset, which would then be uploaded to the database.I also attempted to use a ListBox and ComboBox for some other fields, but they do not seem to work as they should, since when I attempted to press the handily provided "Save" button, I was provided with an error to the effect that the boxes appeared to be empty.

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Add Items After Binding Data?

Dec 29, 2009

i make this code to bind combobox and i insert the item to the combobox

With Me.CmbBxEmployeeName
.DataSource = GetAllEmployeeNameBindingSource
.DisplayMember = "Name"[code]....

but this error show ,Items collection cannot be modified when the DataSource property is set.

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.net - Simple Data Binding?

Feb 4, 2011

I have developed a form for Windows VB.Net that uses a number of text boxes that are indidivually bound to separate columns in a database. When one of the textboxes (let's call it XYZ.Text) is bound to the database, it prevents the data from any of the other bound text boxes to enter the database. When the binding for this one text box (XYZ.Text) is removed, then all the other text boxes work fine.

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Binding Data To A ComboBox?

Nov 25, 2009

I'm trying to bind data to a combo box but it does not appear to be working. I've setup the DataSet and the DataSetBindingSource and all this appears to be working, within the form design I can expand the little arrow in the ComboBox control and preview the data. This appears to be working but when the application is run, nothing appears in the drop down box.

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Binding Data To A Textbox?

Mar 9, 2010

I have a DataGridView that is bound to a BindingSource. Below this are a group of textboxes that are associated with each column in the DGV. I tried to bind the textboxes to the BindingSource but realized their was no DataSource property for the textboxes. How can I bind them?

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Binding Data To DataGridView

Apr 5, 2010

I have a bit of code which loads data from a stored procedure in MS SQL Server and then loads the data to a datagridview, which works fine. What i want is for the code that connects / loads the data to sit in my Database Class and then everything associated with the datagridview to be stored in my Form but i am having problems passing the contents of the bindingsource over to the Form from the Database Class.

[Code]...

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Cautious Using Data Binding In .NET?

Apr 13, 2010

I just started working on a small team of .NET programmers about a month ago and recently got in a discussion with our team lead regarding why we don't use databinding at all in our code. Every time we work with a data grid, we iterate through a data table and populate the grid row by row; the code usually looks something like this:

[Code]...

Our team lead was saying that he got burned using data binding when working with Sheridan Grid controls, VB6, and ADO recordsets back in the nineties. He's not sure what the exact problem was, but he remembers that binding didn't work as expected and caused him some major problems. Since then, they haven't trusted data binding and load the data for all their controls by hand.

The reason the conversation even came up was because I found data binding to be very simple and really liked separating the data presentation (in this case, the data grid) from the in-memory data source (in this case, the data table). "Loading" the data row by row into the grid seemed to break this distinction. I also observed that with the advent of XAML in WPF and Silverlight, data-binding seems like a must-have in order to be able to cleanly wire up a designer's XAML code with your data.

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Data Binding A Variable

Jul 17, 2010

Is it posible to add Data Bindings to a variable so that the app. is able to count the caracters in in a field.Some thing like this below.I know this code dont work, I need something similar? [code]

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Data Binding In .NET With CSLA BOs?

Nov 5, 2009

I am having quite an issue with data bindings in .NET.Some background information, my business object tier is using CSLA v1.0.And _clientObj is passed in as a parameter as a business object that inherits CSLA.BusinessBase Here is the code segment:

Dim nextClient As New ComboBox With { _
.Name = "txtClientAtt" & (ClientBoxes.Count + 1).ToString(), _
.DisplayMember = "FullNameAndID", .ValueMember = "ClientID", _
.Tag = _clientObj}

[code]....

That debug statement does indeed get reached if _clientObj is a pre-existing object with an assigned ID value. How is that possible? I was assuming that adding the data binding should immediately set the .SelectedValue property of the ComboBox if the DataSource object has an initial value.

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Data Binding To A Label In ASP.Net?

Apr 15, 2010

Dim Member As Integer
Member = Val(MemberID.Text)
'create connecetion

[code].....

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Data Binding To A Variable?

Nov 1, 2011

How can I get Var to bind to a data column?

Only for testing purpos I am using Label1 in the code sample below.

Label1.DataBindings.Clear()
Label1.DataBindings.Add("text", HoofGeregteBindingSource, ("Inhoud")
Dim MyVar As String = Label1.Text

[Code]....

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