Adding A Margin To Custom Datagridview Column

Jun 25, 2012

I've used the following code, taken from here, to create my own custom column for datagridview, so that I can now have images and text in the same cell:

[Code]...

It works very well, except that the image that I use is right at the edges of the cell. I'd like to give it a small margin. How can I do this?

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Apply Percentage Format To Custom Cell In Custom Column In DataGridView?

Jun 25, 2009

I came across this great article on creating a custom datagridview column which creates a graph-like effect in the cells of a custom datagridview column:[URL]..Does anyone know how you would edit this to format the number in the cell as a percentage? And does anyone know how you would set this up to take 0 values which do not create any graph effects at all.I have been trying to do this but keep getting errors.

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Custom RichText Control With Non-editable Line Numbers In Left Margin

Aug 7, 2009

I came across a post a while back which showed a custom rich textbox control which had line numbers in its margin. Similar to what you woudl see if you we coding in the VB designer and you had your line numbers viewable.

I think it was two controls in one (i.e. two textboxes: one for the numbers, and the other for the text). However I cannot remember where I saw it.

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Custom DataGridView Column In VB?

Nov 23, 2010

I'm trying to create a custom DataGridViewColumn and DataGridViewCell, and have found this article to be a great resource. I'm done creating the DataGridViewColumn class and the DataGridViewCell class, however, when I try to edit the type of the column, my new custom classes don't show up as one of the options. My DataGridViewScheduleColumn inherits DataGridViewColumn, so I'm not too sure what I'm doing wrong. Is there anything else I need to do to expose these classes to the IDE?[code]...

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Add A Custom Control To A Datagridview Column?

Jul 8, 2009

is it possible to add a custom control to a datagridview column?

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DataGridView Custom Cell/Column?

Jun 21, 2010

I believe that my questions are all going to revolve around the internal workings of DataGridView.While this is specifically written in VB.Net, it is definitely a general Visual Studio object question generically related to anyone working with .Net.I've been trying to find a forum where I can get some interaction and help to move forward.Microsoft's websites seem to be all questions and no answers.

I'm using VB.Net under Visual Studio 2005 SP2.I need to have a DataColumn that is dynamically visible based on other data in the same DataRow.After a lot of unsuccessful testing with various methods of accomplishing this, I came across the concept of Custom Cells/Columns.I started with several slightly varying examples and everything seemed to be falling into place. I tried to research each property and attribute as I incrementally learned a lot about the internal workings of Windows controls in general and DataGridView in particular.

The confusing symptom is that as I scroll down through the grid, the painting of the custom cells is at best unreliable.I created a minimum test case to eliminate as many variables as possible and I combined all of the source into one Form1.vb as follows:

[Code]...

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Adding Column To Datagridview And Bind It

Feb 5, 2012

I have a Datagridview with a bound datatable in it. Then I add a check box column to it.

When I click the headder of the DGV, it sorts the bound columns, and clears all checked checkboxes in the checkbox column.

How do I bind the checkboxcolumn to the rest of the table?

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Adding Combobox Column In Datagridview?

Jun 21, 2010

actually i have 3 fields in database which are Sid Fee status what i want to add combo column in field [status] with two option PAID or UNPAID which a user can select and update it .i am all clear with filling the datagridview from database and updating but only problem is adding a combobox in third field that is status.

i tried it with this
Dim combo As DataGridViewComboBoxColumn
DataGridView1.Columns("combo")

[code]....

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Adding Several Datasource On Same Column In DataGridView

Mar 21, 2011

I'm working on VB .NET 2008.

Target: Bind dynamic datasource in a cell of a Windows.Forms.DataGridView depending on the selection in previous column. The grid must have 7 columns. If the selection on comboboxcolumn 2 or 4 is done, the datasource of comboboxcolumns 3 and 5 mus change using a query with previous selection as parameter.

In a first try to develop this functionality i've tried to use Telerik.WinControls.UI.RadGridView control. I've created a customized celltemplate with a combobox in order to have different datasource for each cell on the same column. All worked fine but seems to be some kind of bug in RadGridView, because when the combobox is presenting the list, after selection the list continued showing, doesn't dissapears as expected.

Ok, after several days of fight with RadGridView, I give up, and I tried to use same strategy but using Windows.Forms.DataGridView. I've created two classes one inherited from DataGridViewComboboxCell and other from ComboBoxColumn, in order to insert my own combbox or have the chance to have access directly to the combobox values. But the combobox showed is the default combobox not my own combobox.

how can I create a custom comboboxcell but using my own combo, and having access from outside to this combo?

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VS 2008 Custom Datagridview Column With Cell Template

Aug 6, 2009

I have a custom dgv column and custom cell.I m trying to instance the column and pass it an instance of the cell as a template, but it's not working.my code needs a form with a button and dgv on it. When the button is click, the text in cell(0,0) should toggle from on to off. [code]

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Error Adding Row To DataGridView With A Combobox Column

Feb 9, 2009

I am using a DataBindingSource to connect a DataTable to a DataGridView. Everything was working fine until I added a ComboBoxColumn

Dim ReasonColumnIndex As Integer = dgvData.Columns("Reason").Index
Dim ReasonCombo As New DataGridViewComboBoxColumn
With ReasonCombo
.Name = "Reason"
.Items.Add("BREAK")

[Code]...

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DataGridView / Data Source (Adding New Row Programmatically) + Custom Control 'setting?

Jul 30, 2010

1. I have a DataGridView box, that is connected to a MySQL database via the 'Data Source'. I am trying to do the datagridview1.rows.add("info here"), however i receive an error i cannot do this programmatically. I DO know the code to post to MySQL via the "insert into" la la la.However, I was curious if I can do this via the datagridview a bit..easier/simpler, such as a "datagridview1.rows.add(stuff)" sorta thing.

2. I am attempting to make a custom control, and as with ANY control, they have their.. settings. Example, a textbox, or label, has so you can set the Text. and color, etc.Others, have it (such as datagridview) have the little icon on the control itself, where you click it, and it opens a small window with settings.

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Change Font Colorfor Custom DataGridView Column/Cell?

Jun 14, 2009

I have created a custom column type for a datagridview. I have created a class for the datagridviewcolumn and a class for the datagridviewcell. Within the datagridcell class I am using the following code for the font.Dim fnt As Font = parent.InheritedStyle.Font How do I change this so that I have control over the font color for that cell? I am fine with the font just not the color.

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Adding Checkbox Column To DataGridView In Window Form?

Jun 23, 2009

I am trying to add a checkbox column to a DataGridView in a simple window forms application.

I am pulling back some data from a database using ADO.NET, putting into a datatable, and then setting the datagridview datasource to the datatable. I then want to add a checkbox column as the second column. So far I have this code that seems to work:

' Code here to connect to database
Dim da As New SqlDataAdapter(cmd)
Dim dt As New DataTable

[Code].....

This code 'works' and I get MyDataGridView to show the data with the checkbox column in the correct position in the table.

However, for some reason, I cannot check any of the check boxes in the DataGridView? I have tried lots of things (e.g.altering the readonly state of the column) but cannot get it to work.

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Adding The Values In A Column Of Datagridview On Button Click?

Jun 22, 2011

i have a datagridview and in one of the columns i m storing the amount on button click...i want to add the values of the amount at that time only i have done this but it is displaying 0 in the required textbox total += Form1.DataGridView1.Rows(counter - 1).Cells(6).Value

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VS 2008 DataGridView :: Index Errors When Adding Image Column?

Dec 19, 2009

Problem: Calling a method which uses a cell's value from a DataBound DataGridView. Works as desired without adding an image column.When I add the image column, the method attempts to use the value from column 1 instead of column 2, as the code in the 2nd method below ("findSign") states:

vb
Private Sub getAtmTOF()
Try

[code].....

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Adding Values Of A Column In A Data-bound Datagridview And Placing Results In A Textbox?

Jul 28, 2011

I have a datagridview that is populated from an Oracle 11g DB. What I would like to do is add the values of a column together and display the results in a textbox. What would be the easiest way to do this?

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Add A Checkbox Column At First Column Of Datagridview Including Column Header?

Apr 9, 2010

How to add a checkbox column at first column of datagridview including column header?After adding, how to code to "check all" or "uncheck all"?

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VS 2010 Custom Type Array / List With Adding Items And Specifying Custom Type Variable

Jun 21, 2011

I recently downloaded VB 2010 Express so i am quite new to the language, but i have worked with dark basic, which seems to b very similar.Anyway, my problem is that i cannot seem to correctly set out my array of a custom type/class. i am trying to create two arrays, one of available entities and another of selected entities of which the user selects the entities to be dealt with in irrelevant ways. i have creates a button (called test) which adds some entities to the available list and all the entities come back the same value but they shouldnt be as you'll c in the code. i have run the step into command a found that "available.item(#).Name = " will change all of the entity's names.As of current i am working with lists as the array kept asking for a 'new' statement but i couldnt figure out where to put it.[code]

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Adding Column Values Of A Certain Column

May 28, 2010

I want to add all the values of a certain column. I already get the value of an exact cell value but when i add the loop code for it to continue,it doesn't performs well.

[code...]

I,m using vb6 po with datagrid component.

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Add Persistence To Multiple DataGridView In Terms Of Hide/Show Column And Column Width

Feb 24, 2010

Add persistence to multible DataGridView in terms of Hide/Show column and column width

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Datagridview - Sort Datagrid View Column With Numbers And Texts On Column Header Click?

Feb 13, 2012

It seems that on clicking datagridview column header, the column will be automatically sorted based on the column type. I have a column showing some numbers. If column type is string, it sorts "1","20","3" into "1","20","3". If column type is double, it sorts into "1","3","20" which is the result that I want. However, there might be some erros in the numbers and error messages(text) will show in the cell instead of numbers. So I cannot set the column type as double. I want to ignore these error messages and sort all the numbers. How can I do this?

Also, I need to add some background colors to different rows in datagridview. So in the column header click event, I call the bkgColor Sub to achieve this. My question is that how can I override the sorting method in this event?

Private Sub DataGridView1_ColumnHeaderMouseClick(sender As Object, e As System.Windows.Forms.DataGridViewCellMouseEventArgs) Handles DataGridView1.ColumnHeaderMouseClick
Try

[code]....

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Datagridview Tab Key - Ignore Column(2) So That The User Only Tabs Through The Rows In Column(1)?

Feb 27, 2009

i have a datagridview with three columns. i set the first column to visible=false, so the user can only see two columns.when the user presses the tab key in the first visible column -- column(1), i want to ignore column(2) so that the user only tabs through the rows in column(1)i can't get it to work. it will always tabs through the rows in column(2) even if i use the column name.

[code]...

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Disable Datagridview's Column In Term Of The Column Will Not Receive Focus

Mar 25, 2011

I want to disable column in datagridview so the column will not receive focus,

when user press tab to move from cell to cell this column will be skipped and the focus move to the next cell or column.

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Change Textbox Column To Combo Box Column In Datagridview

Jul 8, 2010

In my window application i have taken one combobox field with its collection as "amc", "war" etc. Now in my datagridview this combobox column is display as Textbox column, i want to change it to combobox with the above collection "amc","war". I have retreiving the result in datagrid through sql query, hence in datagrid edit column section we doesnot have that part to change to Combobox column.

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Change Textbox Column To Combo Box Column In Datagridview?

Jul 8, 2010

in my window application i have taken one combobox column with its collection as "amc", "war" etc.Now in my datagridview this combobox column is display as Textbox column, i want to change it to combobox with the above collection "amc","war".

I have retreiving the result in datagrid through sql query, hence in datagrid edit column section we doesnot have that part to change to Combobox column.

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Replace Column By A Related Column From Another Table In DataGridView

Dec 14, 2011

I have:

- Table1 with columns: PK_ID1, LOCATION, DIRECTOR, SELLER, SELLERID, WORKTIME (relationship), WORKCODE

- Table2 with columns: PK_ID2, WORKCODE (relationship) & WORK_DESCRIPTION

My DataGridView do a SELECT * FROM Table1;How can I replace WORKCODE with WORK_DESCRIPTION in DataGridView, please?

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Show Bit Column As A Checkbox Column In Unbound Datagridview

May 14, 2010

Dim Comp = From C In db.Table1 _
Select C.Completed, C.Taken, C.Namne
Datagridview1.DataSource = Comp

Am using the Entity Framework and Columns Completed and Taken are of bit Datatype. When the query results are displayed in the datagridview, these bit columns are returned as of ColumnType Textbox - so i get a Datagridview textbox column with true or false string values.

I want to display Completed and Taken as Checkbox columns (either ticked for True or un-ticked for false) but ofcourse i can't do this in EditColumn dialogue because the Datagridview is unbound.

how can i change this in code at runtime

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Get Column Index Of A DataGridView Column Using DataPropertyName

Jan 18, 2012

Is there a way to find the column index of a datagridview column using the columns DataPropertyName?I currently use a loop (shown below in the class) which is kind of ugly, but it works. I'd like to do something like this, which seems more elegant.My goal is this, I store the users DataGridView column settings (i.e. DisplayIndex, Visible, & Width).When the user opens the form that contains the datagridview I want to get those settings from the database and apply the settings to the datagridview.[code]

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Identify A Datagridview Column Based On Column Name?

Dec 13, 2010

I have a data gridview on my windows form with 4 columns. Now I identify a column as followed:

Dim item1 as String = DataGridView1.Item(1, index).Value

So now I use a number ( In this case: 1 ) for the column index, but I want to make it a bit more readable so now I want to obtain the column index based on the datagridview column name.[code]...

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