Change Order Of The Columns Read From Database Into A Datagridview?

Jun 30, 2012

I am reading a record from a database into a datagridview.I have changed the column "ComputerAwareness" from a textbox column to a combobox column.This column is at the 21st position in the database but after changing it to a combobox in datagridview it is diplayed as the first column in the datagridview.How can I keep the position of this column same as in the database?I have googled a lot for the solution and tried all the possible ways but none seem to work.One of the ways I tried is in the code below.

Private Sub DisplayButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DisplayButton.Click
Dim cs As String = "Provider=Microsoft.ACE.OLEDB.12.0 ;Data Source=C:\Users

[Code].....

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How to change the font color of the column header text in my datagridview if the entire column is read-only. I basically use a loop to add columns to my datagridview and then set the properties of the columns. But for some reason setting the DefaultCellStyle.ForeColor and HeaderCell.Style.ForeColor properties does not work.  The header text is still black.[code]...

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I have an application with various datagrids. I have a specific need for the order of the columns (which I set at design time) but for some reason Visual Studio regularly changes the order of my columns on me when opening the project is VS. So, every time I compile I have to go make sure the columns are still in the correct order. Sometimes they are, sometimes they aren't.

I remember this same behavior in 2002/03 version of Visual Studio with tabs and tab order. If it makes a difference, these datagrids are created at design time with LINQ2SQL Data Sources. I did this all the time with VS2008 and never noticed this behavior.

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I have a dgv with 5 columns (combos) added with the wizard, then in the form constructor i set the datasource, value member, displaymember and datapropertyname for each one, after this i fill the main data table and set the dgv datasource with it.If i just do this and don't use the display index, the columns show in an wired order, doesn't show up like i defined in the wizard neither in the order of the sql statement.

For example, i add this columns (names):
B,C,E
Then if i use this select statement

[code].....

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I have a datagridview that I'm populating from a SProc. The data coms back fine and is presenting in the DGV without any trouble, but I don't like the order the data is being returned in.A long solution might be to modify the SProc to return the data in a different order, but I prefer to handle this on the UI for simplicity. Also, I know the user can re-order but that presents a specific poblem in the way the columns are structured.Is there a way to programmatically change the order at runtime?Here's the ode I have on the UI. If you need to see the adapter class also, please let me know and I'll present it, too.

Code:
Private Sub UpcomingInspections()
AddHandler mAdapter.ErrorOccured, AddressOf HandleDataError

[code]....

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I binded a datagridview with datasource, But its order was changed then I used Columns("ColumnName").DisplayIndex property to arrange the columns of DatagridView. Now I am exporting this DataGridView to Excel, All things are right but problem is about the column positioning, Columns in excel file are shown in wrong order (it shows order before I applied Columns("ColumnName").DisplayIndex property to arrange the columns of DatagridView). My question is that how I permanently change the Column index of DataGridView......?

Public Sub gererateReport(ByVal dg As DataGridView)
Dim oExcel As Excel.Application
Dim oBook As Excel.Workbook
Dim oSheet As Excel.Worksheet
Dim oMissing As Object = System.Reflection.Missing.Value
[Code] .....

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I realise that the display order followed the Column order in the database table and by extension, the datatable. I have re-arranged the columns in the Database but the Datatable still retains the old order.

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[Code]...

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I'm still trying to get my head around the whole "Lambda Expressions" thing.

Can anyone here give me an example ordering by multiple columns using VB.Net and Linq-to-SQL using a lambda expression?

Here is my existing code, which returns an ordered list using a single-column to order the results:

Return _dbContext.WebCategories.OrderBy(Function(c As WebCategory) c.DisplayOrder).ToList

Note: The WebCategory object has a child WebPage object (based on a foreign key). I'd like to order by WebPage.DisplayOrder first, then by WebCategory.DisplayOrder.

I tried chaining the order bys, like below, and though it compiled and ran, it didn't seem to return the data in the order I wanted.

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[Code]...

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Samples text:

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[code].....

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[Code]...

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[code]....

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[Code]....

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[Code] .....

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[code].....

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[Code]...

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