Disable Datagridview Cell Based On The Datagriviewcheckboxcheck?
Feb 27, 2009
My datagridview consists of Three columns.
1st column is Datagridviewcolumn
2nd column is datagridviewcheckboxcolumn
3st column is Datagridviewcolumn
so 3rd column i made as readonly.so i need to enable the 3rd column cell based on the checkbox check properry
so i am generating datagridview column dynamically and populating values in the datagridview dynamically.so my need is after populating the value if i check the check box the current row of the 3rd column cell has to be enabled. so how to do this. please show me some sample code if there any. please
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Aug 10, 2010
Is it possible to disable cursor moving from cell to cell in datagridview?
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Mar 9, 2009
I have a DGV with a Button Column. I need to be able to disable or freeze a single cell (or cells) in that column so that its button can't be clicked, but I haven't found a way to do it. It this possible?
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Nov 16, 2009
How to disable Cell Highlighting in a datagridview,Highlighting should not happen even if I click on the cell.
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Jan 5, 2012
I have a DataGridView that based on certain conditions certain columns or rows or cells need to be locked/disabled but the data in the columns or rows or cells needs to bvisibleNow let me define what I mean by lock/disable; the user cannot click on any cell that islocked/disabled, if the use is using the arrow keys the selected cell cannot move to a locked/disabled cell.So this means that setting the cell as read only will not work, the user can still place the cursor on that cell.
Private Sub DataGridView1_SelectionChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles DataGridView1.SelectionChanged
If DataGridView1.CurrentCell.ColumnIndex = 0 Or DataGridView1.CurrentCell.RowIndex = 0 Then
[code].....
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Jul 20, 2011
Here is what I need to do: I need to be able to go through the cells in my first column and find any that have four digits (and only four digits). When a cell is found with a four digit number I need to be able to bold that entire row. How can I do this?
I'm in VS2007. This is a datagridview program. Data populates the tables from a database. The cells in the first column that contain the data can contain between four and 8 numeric digits. I only want to bold the rows that have cells in the first column that have four digits.
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Apr 25, 2007
I have a DataGridView that has been dragged over from the DataSource Tab. All works good.I need to have the background color of some of the cells changed based on other columns in that same row. Such as, have the background color of a cell Red if the Status column (not shown) relates to 90 days overdue. The next row may be different.
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May 18, 2012
I am having a loading problem, the problem is my formating code takes way to long to load.
What I have is a datagridview that is loaded by one table and I want to format the cells based on data from another table, the following code works, but it gets slower and slower as I add more records to the data.[code]...
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Jan 12, 2009
I want to make a certain column of my datagridview red based on values from 2 other columns. I have a "HI" column, a "LOW" column and a "Result" Column which are all strings. Now I want to make the result column red if it's values is less than the "LOW" columns value or if it's value is greater than the "HI" columns value. I tried the following code but something is wrong because cells that shouldn't be red are red:
Private Sub dgvTests_CellFormatting(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellFormattingEventArgs) Handles dgvTests.CellFormatting
If dgvTests.Columns(e.ColumnIndex).Name.Equals("Result") Then
Dim RowValue As DataRow = TestTable.Rows(dgvTests.CurrentRow.Index)
[Code] .....
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Jan 9, 2011
how I can change the back color of a row based on a cell value using CellFormating event. The cell visible property is set to false.
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May 7, 2012
I have a SQL database, with some "status" strings. For every status I need to display a .bmp image .
I'm displaying the data from the database via DataGridView with LINQ. In order to display the DGV I have this code:
Me.MyTableAdapter.Fill(Me.TestdbDataSet.MyStatusList)
I was thinking to add another column named "Symbol" and based on the "Status" column to format the cells of the "Symbol" column to display an image.
I edited the DGV, and add a new image column.
I created a directory in my solution called "references" where I put all the .bmp files
I don't know how to do this. My first thought was to put an expression in the DataTable Properties, but I didn't manage to make that work. Another way is to format the cells in the "Symbol" column, and again I don't know how to do that. I tried with "Select Case ... Case ... End Select" with no success.
LE: Should I Insert the .bmp files into SQL database (varbinary(MAX)) If yes, how?
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Mar 20, 2011
Im working with a DataGridView with an imported CSV file where the values are delimited with (,).. The grid works perfectly fine. My ultimate goal is to hide the grid out of view from the user and access the data in the grid based on the coordinates of the grid specified i.e (The cell in column 5, row 6 contains the value "Taco") and I want to save that value to a variable...Eventually I want to loop through all the values of a column and save them to individual variables to be later used. So far, this is what I have...
Dim sReader As New StreamReader("book1.csv")
Dim Record() As String
For x As Integer = 0 To 17[code]....
Presently, that will only display the data in column 0, row 0 in those labels...
Note: 17 in the for loop is the amount of columns in the data i provided.. that number will never change.
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May 16, 2009
I am attempting to copy the value of the TimeStamp in cell A6 which has the NOW() formula into cell A5 Based on a change in Cell A4. The catch is I don't want it to update every time the sheet is recalculated due to updating links in other cells on the sheet. ONLY when Cell A4 Changes. What do I do?
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Dec 23, 2011
Have this code so that when a checkbox in a column of my datagridview is checked, then the corresponding cell in column 2 (of the same row the check box is in) will turn blue with font color white.
[code]...
I'd also like to add a line so that as well as the cell going blue, the bottom border of the cell disappears, so cellborderstyle = none.
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Dec 23, 2011
I have a DataGridView with several columns. One column is a TextBox column named "Status". This column can only show one of three values: 'Final', 'Ready', or 'No Reportable'. I want to have some code that would turn the TextBox cell into a ComboBox cell when the user left-clicks on the cell to allow the user to choose one of these three options. When the user clicks elsewhere or the cell loses focus I want the cell to change back to a TextBox cell.
Here is what I have so far, but the code throws an exception indicated below Plus, I don't think the code would remove the combobox when the cell loses focus.
Exception: "Provided cell does not belong to this DataGridView control."
Private Sub dgvCalculatedResults_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles dgvCalculatedResults.MouseDown
Dim ht As DataGridView.HitTestInfo = Me.dgvCalculatedResults.HitTest(e.X, e.Y)
[Code].....
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Oct 5, 2011
I have a problem with my datagridview.
here goes:
1. I have a datagridview that displays borrower's information.
2. upon click on the leftside button of the row (fullrowselect) the controls are auto populated with data. (userid, library card no. etc..)
3.here is my datagridview cell click event
Private Sub grdBorrowers_CellClick(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles grdBorrowers.CellClick
With borrowers
Try
[Code]....
4. the problem is when i click on a cell that is not an integer it creates an error.
5. my idea is to disable the cells inside the grid. only userid or the leftside button should be enabled. how can i do that? is that possible?
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Dec 13, 2010
I'm quite new to VB.net (and VS 2008), so I'm afraid my question might be basic, but I'm not sure how to solve it.I have a winform with three textbox fields and a button. All textbox fields must be filled before the user can click the button to continue. To this end I would like to disable the button as long as there is at least one empty textbox.
If I had only one textbox field, it would be easy for me to do. In the Textbox1_Leave event I would check if Textbox1.Text is not empty and if so, set Button1.Enabled = True.But what should I do if I have three textboxes? Have three event handlers, one for each textbox? Or is there a way I'm not familiar with?
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Jan 18, 2011
I am trying to put in scripts for google analytics in my code. But I want it to run only if the environment is production and not in dev or qa. This javascript runs at page load itself and I am confused how to make it run conditionally. My app is an asp.net app.
Javascript is always confusing to me. There are many other javascripts in the page and I just need to disable this one. Had it been a .net code/function I would check for the environment and conditionally run the function. But I am confused about how to accomplish this type of functionality with javascript
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Jun 6, 2011
How can we disable a cell of datagrid in vb.net and how to show date in datagrid cell in vb.net
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Aug 10, 2011
1. How can we disable the cells of a datagrid???2. How can we show date in a cell of datagrid???I have used this peace of code on for load event
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Aug 20, 2011
I'm displaying a table in a Gridview. Some fields contain 0 and 1, but mean Yes and No. When displaying the table in a Gridview I would like to edit the 0's and 1's to show Yes or No.
<asp:BoundField HeaderText="Gearchiveerd?" InsertVisible="false" DataField="BestellingGearchiveerd" SortExpression="BestellingGearchiveerd">
<ItemStyle HorizontalAlign="Center" VerticalAlign="Middle" />
[code]....
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Jun 7, 2010
I have a DGV that is getting created on loadup, getting the results from a SP. So in this case, I have a DGV that is not bound to anything. It only get bound to a datasource at runtime.I have specific values that I'm looking for. See code
If e.Value.ToString = "HU-3" Then
e.CellStyle.BackColor = Color.Chartreuse
e.CellStyle.ForeColor = Color.White
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Jun 14, 2011
I have a DGV that is getting created on loadup, getting the results from a SP. So in this case, I have a DGV that is not bound to anything. It only get bound to a datasource at runtime.I have specific values that I'm looking for.[code]
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Apr 27, 2012
In VB.NET, I have a LinkButton that, when clicked, creates a report. We want to disable this functionality based on whom is logged into the system. I have a session variable to indicate whether this should be visible or not but when I set idLinkButton.visible = False, it has no effect. Any ideas on what I need to do to be able to turn this on and off?
CODE:
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Mar 8, 2012
What i am trying to is create a function were by a user when he logs in, based on the rights given to them they can either use certain buttons . I no i have to use the enable and disable function.[code]if username is true and user_name is Sales then enable x y z buttons. i been trying looking around and reading and found the following which i cannot get to work with my system but they follow a similiar patten to what i want to achieve.[code]
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Feb 15, 2011
each of the ToolStripMenuItems has more than 20 ChildItems and each of these ChildItems have more than 30 ChildItems.In my form I havea login form and each user must log in.I want to know that how can I check my UserAccess Table with these MenuItems and ChildItems names and if the user does not have the MenuItem or ChildItem name in UserAccess Table, the MenuItem or ChildItem must be disabled.
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May 20, 2011
I have a datagrid that will get built at runtime. So i don't now how many columns I may have.I know I can do a column count, and get a list of the names. So don't think that will be a problem.What I'm trying to do is change only the CELL color, not the row, or the column, based on the value of the cell.Below is something I started with, but it clearly doesn't work.
' For Each row As DataGridViewRow In Me.QDGV.Rows
' ' Get the READY value from each row as we loop
' strExt = CStr(row.Cells.Item(4).Value)
[code]....
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Feb 17, 2011
write a macro that removes the letters "TBD" from any cell it is in in a range of cells (J5:PJ421)n a different worksheet. This is probably very simple, but I am new to VBA and can't figure it out.
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Oct 7, 2011
I'm trying to get a value in a datagrid to highlight based on the value from a textbox, I can't seem to figure out why it's not working right.
Dim xdata As String = TextBox1.Text
Dim cell As DataGridViewCell
Dim cellVar As String
[Code]....
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Jul 1, 2010
I have a Datagridview called DgvReturns. which contains two fields,
1) Yes - checkbox (boolean)and
2) Received Date - textbox (DateTime)..
What I want to do at run time is that when a user Checks the Yes checkbox Received Date is populated with the current Datetime.
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