How To Clear A DataGridView

Apr 9, 2007

How do I clear a DataGridView? Basically I want the user to be able to click the button again that fills it and it will erase everything and refresh the data.

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Clear All Row In Datagridview?

Aug 28, 2011

i m trying to clear my all row in datagridview. Here is simply code

Me.DatabaseDataSet.Clear()
Me.StuffTableAdapter.Update(Me.DatabaseDataSet)
Me.DatabaseDataSet.AcceptChanges()

It's almost clear datagridview, but don't save this changes in base. I quite the app and start it again then old row are back.

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How To Clear Datagridview

May 5, 2009

I am using datagridview.rows.clear() to empty a grid that i can't clear it. is there another way to empty the grid?

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Clear All Graphics In Datagridview?

Apr 27, 2010

I use graphics.fillrectangle to draw rectangle in datagrid

and i want remove all rectangle , it's possible ?

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Clear All The Rows Of A Datagridview?

May 27, 2011

I keep finding ways to clear all the rows of a datagridview... but i want to keep my rows..is there an easier way than looping through every cell to clear all the values out of the cells of the datagridview??

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Clear Contents From Datagridview?

Dec 31, 2008

I have a form with a datagridview on it. I have a save button that saves the data from the datagridview to the database.After the button (save) is clicked I want the datagridview to be cleared of the data that is present in the dataGirdView.

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Clear Contents Of A Datagridview?

Jul 22, 2009

How can i clear the contents of a datagridview.[code]...

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Clear The Old Data From The Datagridview?

Jan 15, 2012

how to clear the old data from the datagridview in vb.net.. the below code is retrieving the data from table and display in a gridview for particular person. but when i wanna check the next person record if he dosen't have record so the previous data still will not erased?

Dim c As New sqlStmt
c.myCon()
Dim da As New SqlDataAdapter("SELECT * FROM Experience WHERE CID='" &

[Code]....

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DataGridView Update Or Clear?

Aug 26, 2010

This is the problem I'm having, I have a grid that I need to update after the user enters some infoI've managed to get the grid to refresh adding the "new data" to the end of the list (not what I need)oad just the new data.

The steps I'm taking are as follows:
I'm clearing the DataSet using ds.clear()
rerunning my Queries

[code].....

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How To Clear All Rows Of DataGridView

May 26, 2010

I am using V Studio 2005, VB. In my application, I am asking the user to enter an ID and click on Search button. Now, when the user enter an ID for the first time, all the columns and rows appear fine in the DataGridView. When the user enters an ID second time (or third, etc), I want to erase the previous contents of the DataGridView and display the new values. For this, I am using .Clear() method of DataGridView which isn't giving me what I want. It is simply clearing the "previous values" and not deleting the "row".

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How To Clear DataGridView List

Aug 31, 2009

datagridview1.rows.clear()
And this one
me.datagridview.rows.clear()
It says I cannot clear the datagridview list.

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VS 2005 - How To Clear DataGridView From Another Form

Dec 17, 2009

I have a mainForm with a DataGridView control. This DataGridView is not bound to any datasource. All Rows and Columns were added. On another Form, I have a button. When I click it I want the DataGridView to clear all rows.

Does not work, in button click event:
Form1.DatagridView1.rows.clear

Also does not work:
A "Public Sub" on the first form, invoked by the button press - so the change is made within the same form.

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VS 2010 Clear Datagridview And Set A New Bound?

Mar 14, 2011

I am trying to clear current datagridview data source and then set a new one to it. But it doesn't clear the old one and the new one doesn't set unless i click run the code twice.I have tried different ways but none of them works here is the code i am trying:

[Code]...

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VS 2008 DataError In DataGridView When Trying To Clear The DataTable

Nov 28, 2009

I'm trying to clear a DataTable and repopulate it, and the DataTable is bound to a DataGridView. Here's the code I'm executing:

vb.net
Using reader As MySqlDataReader = myCommand.ExecuteReader
SyncLock tableLock
running.Clear()

[Code]...

If you want to replace this standard messagebox, handle the DataError-expection
When debugging, there is no break in the code. The messagebox just pops up without showing me exaclty where the error is located.

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Clear All Data In Datagridview And Not Delete Data , Column In Datagridview?

Jul 19, 2009

How i clear all data and not delete data or column in datagridview?

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Clear The Contents Of The Datagridview So That When Each Option Is Selected Only That Data Is In The Grid?

Jun 22, 2009

Public
Class LoanCalc
Private Sub butCalc_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles butCalc.Click

'This procedure executes when the user clicks the Calculate

'button to produce a loan payment based on the requirements

'as stated in the service request.

'Variable Declarations

Dim douPrincipal As Double = Me.txtPrincipal.Text

Dim douInterest() As Double = {5.35, 5.5, 5.75}[CODE]......

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Create A CLEAR BUTTON Loop To Clear All Textboxes?

Dec 13, 2011

this is currently my code to clear my 5 textboxes

Private Sub Button2_Click(sender As System.Object, e As System.EventArgs) Handles Button2.Click

TextBox1.Clear()
TextBox2.Clear()
TextBox3.Clear()
TextBox4.Clear()
TextBox5.Clear()
End Sub

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Clear Dataset But Get Error Sometimes If It Is Empty When Try To Clear It?

May 17, 2009

I have a timer that runs every time by itself, and for the code the runs in it I would like to have it clear the dataset before it does anything, the timer runs every 10 seconds, so I tried to do dataset.clear but it would crash if the dataset had no values

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Clear Hyperterminal - When Press "ctrl+L" Is To Clear Terminal Screen How To Write The Code?

Jun 23, 2011

in hyper teriminal when i press "ctrl+L" is to clear terminal screen how to write the code in vb.net? Hyperterminal is connecting to serial comport.when i try this it work and return line on debug

serialport.writeline ("at+cmgl=1")

i try this but not work and it still show some lines on debug

serialport.writeline (vbcrtl +"L")
serialport.WriteLine("vbCrLf + l")

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.net - Clear() Or Txtbox.Text = "" Textbox Clear Methods

Sep 20, 2010

way to clear textboxes in VB.Net and what is the difference between the two methods? I have also seen people be critical of folk using clear objects on their forms and i can see why but in this case, i am only learning.

txtbox1.Clear()

or

txtbox1.Text = ""

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Clear All The Data In Data Grid View Without Clear The Binding Source?

Jul 15, 2009

wan to ask about anyone know the code about how to clear all the data inside the data grid view without clear the binding source...

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Why Did Clear() Clear Both DataTables

Feb 28, 2011

In my winform program (in vb.net) I wrote:

Dim dt As New DataTable
'Get data from DB into dt
'...

[Code].....

But when I run the program, Clear() cleared both dt and dttemp! Why? Aren't dt and dttemp supposed to be two distinct instances of DataTable?

(I finally found a solution - dttemp = dt.Copy() instead of dttemp = dt. But I still can't see why Copy() was necessary in this case.

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StreamWriter Clear (clear The File "make The File Blank Again") And Move

Mar 26, 2010

I am using the StreamWriter to create a log file for my application. However I do not see a method on how to clear the file (make the file blank again). Also before I clear the file I want to rename it so that I can have multiple log files, a new one produced everytime the application runs.

[Code]...

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Clear All Controls Except One?

Apr 3, 2010

I am using the following code to clear all the values of all my controls everytime I click save button....Is there a way to not to clear the value of a certain control inside one groupbox? I would like the radiobutton in one group box will not be cleared...or if it can't be done, how do i put back the selected radiobutton after i click save?[code]....

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Clear All My Fields?

Aug 5, 2009

I have the aplication which requires name fields... and i wan tto clear these fields whenever i closed the application using close(X) button. i dont want to use 'clear' button.

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Clear All Textboxes Except Three?

Nov 29, 2011

I want to have a button that clears all textboxes except three. This code I got so far which clears all the textboxes except 1

[code]....

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Clear Bin And Obj Folders?

Jan 10, 2011

Is there any built-in function in vb that allows us to be able to delete our bin/obj folders instead of having me manually delete them myself?

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Clear Out A Pathstring Value

Feb 8, 2011

I need to clear out a pathstring value. I have a command line created from four different text boxes. I have created a button that clears those text boxes, but it does not clear out any data already in the "pathstring". How do I clear it? This is for the coding that executes the pathstring command.

[Code]...

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Clear Out A Tool Tip?

Jan 1, 2012

Is there a way to clear out a tool tip?

I have a field where the tool tip data is changed based on what record they select. It's show each record in different tool tips. I just want to show the current one.

Below is my

Dim lblnotes As ToolTip : lblnotes = New ToolTip
lblnotes.SetToolTip(lblequipment, return_notes_stringtooltip())

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Clear This Summary Box?

Mar 3, 2011

I am a first year diploma in IT student and have this assignment here. Its for a catering business to calculate simply selections of food etc.So after calculation there is a summary to show total sales, number of sales and average sales. After the person clicks Ok i am asked to give them an option to clear summary.Now i need to know if they click yes how do i clear the summary?

Private Sub summaryButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles summaryButton.Click
'Calculate Average and Display Total Sales
Dim returnDialogResult As DialogResult

[code]....

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