VS 2005 : Change One Column Of Datagrid?
Dec 3, 2009
da = New SqlDataAdapter("SELECT * FROM employee_log WHERE log_datetime >='" & objdate1 & "' AND log_datetime <= '" & objdate2 & "' order by log_datetime", cn)
ds = New DataSet
[code]....
this is my code to fill a datagrid..i need to change values of one of my column in datagrid..all other colummns should be same..just change one column values only..how do i do that?in below image i need to change log_datetime values from textbox values....
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Aug 4, 2009
I have a datagrid that I am unable to change the width setting, it always reverts back to the original setting.
To change this setting:
1. select the datagrid view tasks
2. Edit columns bound column properties
3. Select Width property
4. Width property will always revert back to the original setting.
I have check the properties settings without any luck.
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Feb 25, 2009
I want to change datagrid first colomn value with some . or $ BUT when user clicks on first colomn then we need its actual value
Using : vb.net (Desktop development)
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Sep 12, 2011
I have a listview and i want to make one column's font smaller than the other column to fit form design. How will i do that?
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Jul 7, 2009
I have this strange phenomena in which I load an Excel file. The Excel file consists of data arrange in columns having a column header. Once some computation is performed and another file is loaded into the datagrid, the column order of the new file changes .i.e the column header is changes its position from its original Excel file.
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Jul 15, 2010
I have a datagrid that I am populating from an Access 2000 query in Visual Basic 2008.
This code works fine:
With dgvCollections
.Columns(0).Visible = False
.Columns(1).Width = 235
.Columns(2).Width = 230
.Columns(3).Width = 220
.Columns(4).Width = 70
.Columns(4).HeaderText = "Loan"
End With
The query works fine, except that I want to change the alignment for one of the columns. I tried to add this line before the "End With":
.Columns(4).DefaultCellStyle.Alignment.MiddleCenter()
Which causes the error:
"Access of shared member, constant member, enum member or nested type through an instance; qualifying expression will not be evaluated."
And this error:
"Expression is not a method."
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Jun 12, 2009
I have a datagrid on my form that has a dataset bound to it via the datagrid properties Tables collection. I have the PreferredColumnWidth property of the datagrid set to 75. How can I change the column width in code to match my column header text?
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Feb 8, 2010
I am trying to change the datagrid cellstyle alignment of a column in the designer. I set it to middle right but then I run it and it still aligned to the left. I have a lot of datagrids in my application but there are few that doesn't accept any alignment settings which I don't understand at all, can't see any reason, I been looking through the options if there is anything but can't find anything. I just need one column of cells to be aligned to the right whatever I do all of the columns are aligned left and there is an option in the defaultcellstyle that is sat to middle left, but when I try to change it to Not Set it doesn't change.
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Apr 1, 2010
I am trying to create a datagrid with combobox column and here is what I have so far.
Imports System.Data.SqlClient
Public Class frmSectioningByLevel
Private cnn As New SqlConnection(My.Settings.ConnectionString)
[code]....
1. how do I just display the concatenated student name in my datagridview?
2. how do I add combobox column in my datagrid? The combobox values will be coming from tblSection's SectionName field.
3. After I will assign section name to each students, I will be updating my table with a click of a button. How do I tell VB to update tblenrol with the assigned section for every students?
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May 21, 2007
How do I add a CheckBox Column to my DataGrid and set the Check box in a way that Depending on the value returned in my row, it is either Checked or not checked?
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Aug 18, 2010
I have a VS2005 utility that I'm working on that has an Access 2003 backend. A couple of days ago, my boss asked that I change one field in two tables from TEXT to MEMO, to allow more information to be put in. In doing some final pre-deployment testing, I find when I hit my button to pull up the list of tickets, I get the error
"System.Data.ConstraintException was unhandled
Message="Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.""
The datagrid is based on a query I have in the database. The query runs fine, and when I go through the XSD and go into Query Builder, the QB is also returning data. I have made the various changes to the utlity as suggested by Microsoft, but no luck. When I put the two columns back to TEXT, the Grid works fine.
How the heck do I set it up so that the grid will recognise the new data format? The number of characters for the individual columns is set to 37,627 (I believe, it's whatever the default is). I only have 200 characters in my test data. I need to rebuild the whole dataset - this deployment has to be done by the end of the day tomorrow and I have a whole pile of other stuff left to do.
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May 9, 2010
Using late binding i have set the numericupdown maximum to the column's count of the excel worksheet. Now the Min and Max of NumUpDn is 1 and 16384.
Now i want to change the numeric value to column name i.e
if the user selects 1 then "A" , if 26 then "Z" ,if 27 then "AA"...200=>GR
till 16384 (if excel 2007)
till 256( if excel<2007)
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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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Aug 14, 2011
How replace comment column with value column in resource file via programming?
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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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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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Dec 15, 2011
I have a DGV I am working on, and I have many columns.
For example I have Columns colcase(Combobox), colreportTime(Time)
the combox shows 4 cases {A,B,C,D}
what I need to do is if the user select "C"
the the colreporttime will show the time of this change unless the old value is C
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Jun 7, 2011
I'd like to get the value of a column from a datagrid and insert that to a table. I get an error "Object reference not set to an instance of an object."
Here's my code:
Imports System.Data.SqlClient
Imports System.Data
Public Class Class1
[Code]....
The thing is -- when I look at table amtdue, everything is actually saved there. I just don't understand why I'm getting the error, and so I can't proceed with what I have to do after clicking the btnaddtocart button.
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May 16, 2011
I need to add some columns in the DataGrid view at run time. I have nearly 12 columns in the DataGrid and I need to add 5 columns fully from top to bottom and show the sum result at last column. How can I do that?
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Aug 18, 2010
what is the use of adding new columns to datagrid view? [code]if we can't add / update these columns to databse ?
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Mar 17, 2010
I have a database and a dataset as the image shows in the link, how would i add the values of the colums "amount1" and "amount2" for every row and entry as the user make entries to be automatically displayed in the "total" column. Meaning that every time values are entered in those amount columns, they will be added and the total displayed in the "Total" column.
[URL]
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Aug 3, 2010
I am retrieving data from a table and displaying it in a datagrid, how can I make the columnwidth variable depending on the size of the text field being returned and do it in the code ?
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Jun 21, 2010
Any way to access a specific column and row of a datagrid generated by a sql-query in visual basic. The datagrid looks, simplified, like this:
Column1 Column2
Data1 Data2
Now I would need a function, that reads data2 out in visual basic (asp.net web).
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Jun 5, 2011
i want to ask about the check/uncheck the checkbox in a column in datagrid.if all row in the checkbox column is not selected, what is the code is.because i want the msgbox appear if the user not check any row.
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Aug 9, 2011
i got a datagrid connected to sql...my problem is i have two columns which is grade and evaluation i need to do is.. if grade has a value of 1-3 print passed and 4 above will print failed a string will be printed in evaluation column here is my sample code of mine.. which didnt work..
[code]...
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Mar 23, 2009
this is my code to format column style at datagrid:
Private Sub frmCustomer_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim sql As String = "select cust_id,cust_name From inv_t_Customers order by cust_id"
[code].....
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Jun 20, 2010
Using SQL Express 2008, I have tables with the following columns[code]...
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Mar 13, 2012
Is there a way to sort a datagrid by one coloumn and then by another? For example by column 1 then by column 2. I have managed to sort it by a single column, however this doesnt give consistent results.
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Sep 25, 2009
is it possible to have a datagridView in which each column can have diff no of rows in it?
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Oct 23, 2009
I'm having some trouble to formatt a datagrid column. At the present time the data column is displaying "o1-13-2009" I would like it to display JAN-13-2009" Here is my code
[code] Dim notecolumn3 As DataGridViewColumn = Me.CustomerNoteGrid.Columns(3)
notecolumn3.Width = 65
notecolumn3.DefaultCellStyle.Format = "MMM-dd-yy"
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