CheckBox Not Showing When Adding Row To DataGridView?
Mar 7, 2012
Have a unbound Datagridview with first column set as a checkbox and second column just has text.When adding a row the checkbox does not show, what am I doing wrong.Code to add Row:
DataGridView2.Rows.Add(False, FolderBrowserDialog1.SelectedPath)
The code that adds the rows also saves to a file and then there is seperate code to load datagridview at the start of the programme.If I close and reopen programme it displays the checkboxes.
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Apr 8, 2011
I have a datagridview that I've added a checkbox column to. When I preview my data without the checkbox it works fine. when I run the program and try to load the datatable, I get a data error. I'm not sure what may be causing this. Where can I look to figure out what's causing this error?
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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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Nov 22, 2011
I have a DataGridViewCheckBoxColumn who's column name is "booReadyToReport want to hide all the checkboxes in this column if "bintAnalyteCodeID" doesn't equal the selected value in a combobox on my form. ut I run this bit of code the DataGridView DataError event fires currently, have nothing in the event except an comment. he code seems to work, but I'm new to VB.NET and I'm wondering if this is the correct way to handle thishould I use the CellPainting event?
highlight rows with RBF3
For Each dr As DataGridViewRow In Me.dgvCalculatedResults.Rows
f dr.Cells("bintAnalyteCodeID").Value = Me.cbxAnalyte.SelectedValue Then
[code].....
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May 6, 2009
I added a tooltip control in my form and set a tooltip for a checkbox. The tooltip shows fine until I check the checkbox... If I check the checkbox once and uncheck it, the tooltip never shows up when I hover the mouse over it... How to make the tooltip to show on mousehover no matter the checkbox is clicked or not?
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May 15, 2011
I have some DataGridView code written in vb.net. (Nothing is attached to a datasource.)The 4th column is a checkbox cell.How do I detect if that checkBox is checked or unchecked?This code strangely reports TRUE or FALSE at random times. It even turns ON the checkbox in rows other than the row I clicked in. (Huh?)
Private Sub DataGridView1_CellContentClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DataGridView1.CellContentClick
Dim whichGrid As DataGridView = CType(sender, DataGridView)
[code].....
I've tried countless other methods... none seem to actually get the checkbox ON/OFF value in vb.net.
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Oct 5, 2011
Im trying to add a checkbox to a gridview so that users can select multiple items, but the checkbox is not showing up. Here is my code below. I dont have datafield b/c its tie into a particular column.
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False">
<Columns>
<asp:CheckBoxField HeaderText="SELECT" />
[code].....
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May 5, 2009
I have a class project that I have been working on for a while, and I can't figure out how to add each cost from lstCosts together to show a total cost of the selected workshops in lblTotalCost. Using the current loop that I have, it only adds the last cost in lstCosts. Is there a way to add the indexes together?
Code:
Public Class Form1
' The registration fee for each workshop
Const intSTRESS As Integer = 595 ' handling stress
Const intMANAGEMENT As Integer = 695 ' time management
Const intSKILLS As Integer = 995 ' supervision skills
[Code] .....
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Mar 25, 2012
objdataAdapter.SelectCommand = New SqlCommand()
objdataAdapter.SelectCommand.Connection = objconnection
objdataAdapter.SelectCommand.CommandText = "Select SerialNumber, EmailAddress, Results FROM Email WHERE SerialNumber='" & txtCriteria.Text & "'"
[code]....
What I want to do is for every row of data in the datagridview, i want to add a column for checkbox. The checkbox will be enabled or disabled based on the value found in the field results. The first time I am pressing the button, it works fine. But the second time i query, it keeps adding another checkbox to the same row. Even for the nth time. Everytime i press the button, a checkbox is added. I just want one checkbox every time i query the dataset.
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Sep 29, 2009
I am assigning a 'ds' dataset to datagrid.In addition to that I want to add new column with check boxes.That new column will be first column of datagrid. Currently I am using below code,
DataGrid1.DataSource = dsResult.Tables("Result")
Result table has 4 column....in addtion to that i want to column "Selection" with check boxes
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Nov 13, 2009
So far I have made a program that can find all the factors of a number (e.g type in 24 and you'll get 1 * 24, 2*12, 3*8, 4*6,). What I would like to do now is add a check box (called Show_Prime_Factors_chk) that when checked it will also show all the prime factors below all the normal factors.
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Apr 1, 2009
I just want to ask the following infor from you in relation to gridview... I have 3 Grids,
Grid A
Grid B
Grid C
Grid a has already a data but aside from the data in my grid A I want to add another column for a checkBox. Next, when the checkbox is check and I hit the button "Transfer" the row in the grid in where the additional column checkbox has been check will be transfer to grid B and the remaining data will be move to Grid C?
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Apr 26, 2011
I am working on a little project and am having some issues with a checkbox. I am adding a number of checkboxes to an ASP table via code by adding rows and columns dynamically. This all works fine except for when I go to check them based on loading a preexisting record. For some reason some of the checkboxes are getting set to TRUE when the new row is added to the table. [Code]
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Jun 8, 2009
I am trying to add a checkbox to a toolstrip using the msdn sample of adding a datetime control [URL]...
Protected Overrides Sub OnUnsubscribeControlEvents(ByVal c As Control)
Call the base method so the basic events are unsubscribed.
MyBase.OnUnsubscribeControlEvents(c)
Cast the control to a MonthCalendar control.
[Code]...
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Sep 19, 2009
I am pulling information out of my Access Database and reading to a webpage. I need to add a update, delete, and email function to this page. I am trying to do this with the selection of a check box and buttons for each one. But I am unable to get the delete to do anything but redirect back to the orignal page. For the update I want to be able to pull the info in text boxes and just change the info and click update and it gets changed. I also want to be able to pull their email from the database and put it into a text box to be able to email right from the page. Code for show page and delete page below.
[Code]...
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Feb 1, 2011
i can't get the data to be shown in the datagridview what am i doing wrong here? i think the problem starts in the ---- if then statement
[Code].....
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Nov 15, 2011
Unable to display data in datagridview : vb 2010 express + mysql server 5 + odbc connector
1. I am able to connect database successfully. I am using arraylist to set data.& also i m
getting till it set to dataview (Object name )
2. Till now i am not added any column name in datagridview property setting .
[add/remove column]'[code...]
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May 22, 2012
I have looked around quite a bit, and nothing seems to answer my question in particular. I have DataGridView in which I add rows and columns dependent on a certain record count of geospatial data that is held in ArcGIS. The data is then passed through to the gridview for editing. So I do not use any databinding methods, rather it is a very manual process. I store data into a two-dimensional arrays, which indexes are based off of those certain data record counts. After the loops are complete, the data should be stored in each cell dependent on index. The very last row that was populated is populated perfectly, yet the other 72 (or so) rows are blank. Here is the code as follows:
[Code]...
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Apr 16, 2010
Okay I have everything working as it should but when I first start up the data doesn't show up in the datagridview until I enter another record. It seems to be at the End Sub part of the button click Enter Record.This is what I have at form load event.
[Code]...
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Sep 16, 2010
With this project, I created a SQL Server DB with related Dataset and DataTable a while ago with about 10 columnsWith the code below, I fill those columns with values in a new row and add to the datatableThe datatable is bound in a datagridview and all has worked fine until I tried to add a new column to the dataset/table. After adding the new column and rebinding the datagridview to the updated table, the DGV now shows the new column, but the data for that column fails to show up in the DGV.
Dim dt As Date = DateAndTime.Now
If My.Forms.DataGenerator.TextBox4.Text <> "" Then
My.Forms.DataGenerator.TextBox8.Text = dt
[code].....
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Sep 7, 2011
For a class project I'm supposed to write a program that requests a team as input and displays the players from that team in the first column. The players should be sorted alphabetically by their last name, and if they have the same name they should be sorted by first name accordingly. My program compiles and I'm fairly certain that I've done most of it correctly. The second column should be filled with the batting average of the corresponding player from the left column.
My problems are as follows:
1) I can't get the DGV output to show correctly, it posts the player's name with the batting average of that player in the following downward cell.
2) I'm not sure how to further use the .Split method to separate the first and last name after already separating the name from team/at bats/hits, and can't find any info regarding this topic. Also, I can't figure out how to sort in reverse, I've only seen the Ascending and Descending options so far for sorting.
3) Is the way I've figured the batting average the most efficient/correct way, or is there another better way?
[Code]...
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Aug 12, 2011
I need to change the cell type of an unbound datagridview ROW to checkbox type at runtime. Optionally adding a row of all checkboxes or changing the default type to checkbox is also fine. I see many examples for setting a column type to checkbox but I don't see anything that operates at the row level. Even operating at the cell level would be fine.
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Jul 7, 2010
I have the code below which works fine when checkbox at Cell 2 is Checked ie., the date is inserted in Cell 9. Now, when I unclick Cell 2 I want the Cell 9 to be cleared. Presently, it is not cleared after unchecking. The code highlighted in Red is the area I reckon I have a problem...
Code:
Private Sub DgvReturns_CellClick(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DgvReturns.CellClick
If e.ColumnIndex = 2 Then
[code]....
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Jan 20, 2011
i want to know how to perform some action when i check the checkedbox in the datagridview ?
if like, when i check this>> i will bring some data to another DGV, on the other way of saying is just add a new row into another DGV.
same goes to when unchecked the checkedbox >> i want to remove the row based on the checkbox in that specific row that i unchecked .
i used the method [datagridview_CellContentClick] and [datagridview_CellEndEdit] before..
for add new row into datagridview-SUCCESS but when i want to remove the specific row, -FAIL to do. that.
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Jul 1, 2010
I have a tbl called tblProjectpatients which also has 2 fields Yes and No (these have the data type - Bit). These two fields have been populated with false and true values. On my form, I have a datagridview which is populated with various values from tblProjectpatients. The problem am facing is that the checkbox's for Yes and No on the datagridview are empty at runtime eventhough at the backend they have either False or True values. I am expecting the checkbox showing on the datagridview to be either checked or Not Checked depending on the True or false values.
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Aug 8, 2010
I have a datagridview (unbound). Fields are Name, Family Name and Phone No and a checkbox colum.There are ten rows in that DataGridView. There is an OK buttonI need to get message of showing which rows user has checked. The message should appear when user clicks OK button.I am not able to get this message. I tried following code in OK button
Dim strCB As String =
dgvChooseQs.Rows(0).Cells(3).Value.ToString
[code].....
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Apr 6, 2010
this code which supposedly updates myTable when the check mark is preset on a datagridview.The latter has a checkbox (a bit in myTable) in column 5.The code works but only updates one row no matter how many check are in the column.
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Apr 9, 2011
I'm looking to display some data taken from an Access database. It's just a table of data but all of Visual Basic DataGrid stuff seems too...bland and businessy. I want something that looks really attractive and would be suitable for a game (a sports management one). I'm using some Krypton Controls and even though there is a DataGridView in there, again it's not what I'm looking for. I could just have a listbox for each column of data and that would allow me to customize the style completely, but it would be a bit fiddly working out sorting and stuff (even though I reckon I could do).
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Dec 11, 2010
I am creating one application using visual basic.net and sqlce I have two forms name Form1 and Form2.
I used Form1 to add data to database using OLeDb command I used Form2 to show data in datagridview by using dataset[code]...
Form2 Datagridview show the old data only, it do not show the recently added data by form1. I mean when I build my application datagridview show the data which is already in the database, but it does not show the data which is added by the form1 during run time.
Some one suggested me to fill the datagridview at run time by using OLeDB command. Then I created Form3 to fill the datagridview2 by using OLedb command and datareader and found that Form3 shows the recently(added by Form1 at run time) added data.
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Jun 14, 2010
Is there any way to have a datagridview on a datarepeater with more than 1 row showing?
I have a datagridview on a datarepeater control. The datarepeater and the datagridview are joined on a common field in 1-to-many fashion. The form is designed so that there are 2 rows of the datarepeater visible at any one time. The datagridview is populated in the datarepeater's drawitem event The problem is that it behaves as if there is only one datagridview total rather than one datagridview per row. The drawitem event executes when you scroll to a row. Because 2 rows of the datarepeater are visible, the fill code is executed twice when the form is opened. But the second fill overrides the first one. So you've got this form with 2 different rows but the data in both datagridviews is the same but is right only for the bottom one.
Is there any way to correct this? If I made only 1 row visible, that would eliminate the wrong data. But I want to be able to show more that 1 row at a time.
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