Showing Combo On DatagridView Begin Edit?
Mar 10, 2009
Private Sub DataGridView1_CellBeginEdit(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellCancelEventArgs) Handles dgvProduct.CellBeginEdit
ComboBox1.Visible = True
ComboBox1.Select()
ComboBox1.Focus()
ComboBox1.Text = DataGridView1.Item(0, DataGridView1.CurrentRow.Index).Value
End Sub I have a datagridview, all i want to happen is when i click on the cell (on columns(0)) the combo Box will appear (combo box is with item) so i will select the items on list.. after selecting the item it will display on the current datagridview cell. now my problem is when im Begin Edit, the focus should go to the Combo Box in order to select the item by Keyboard and not by mouse..
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Dec 7, 2010
I am using following code to edit and update field in my databse table. But it does not cast any effect on database.
Dim drCurrent As DataRow
drCurrent = DbResultDataSet.tblResult.Rows(0)
MsgBox(drCurrent.Item("PaperID"))
drCurrent.BeginEdit()
drCurrent.Item("PaperID") = "433"
drCurrent.EndEdit()
TblResultTableAdapter.Update(DbResultDataSet.tblResult)
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Oct 19, 2009
i am currently creating a program which will draw out a company logo, which uses a picturebox a couple of radiobuttons which selects the type of shape which will be displayed, and a combo box which selects the color of the shape. i am kind of lost with the combo box, like how do i add the list of colors that is in visual studio and make it to automatically show on the combo box, what color to select.
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Jun 11, 2011
My database name is "plant3", i have a table named "itemlist" which has a field named "itemname", "task", and "status". I want to show the itemname on combobox and when user choice an itemname the program will show all task and status for that item.
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Oct 28, 2009
I need to be able to check from code whether the SuggestAppend List (not sure if that's it's proper name, I mean the dropdown that appears when you start typing into a combo whose auto-complete mode has been set to Sugest Append) is currently showing. Basically I'm looking for something similar to the DroppedDown property but applying to the SuggestAppend List rather than the Drop Down. Can anyone tell me what property I should be looking at?
The reason I need this is I need to do some work when a user cancels an edit in the combo by pressing escape. I've trapped the escape keypress but this only represents an edit cancellation if the dropdown list and the suggest append list aren't currently showing (otherwise the escape just closes the list).
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Apr 1, 2010
How can I build a combo box showing the extended colours like image below?
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Feb 13, 2009
is there a way to set a single cell as a combo box? it looks to me that you can only set the whole column.
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May 10, 2010
I have 5 combo boxes that need to show the same list of items that come from a single dataset table. I have managed to bind the datatable to the combo boxes no problem at all.. but when I run the application and select an item from one of the combo boxes all the others change to the item I selected. After some research I believe that this problem is something to do with using the one datasource so I have tried assigning the dataset datatable to 2 different variables and used them as datasources for 2 of the comboboxes but the same still happens.
A work around to this I can see is to call the same methods and SQL select statements 5 times over to get individual datasources for each combo box but this doing that sounds crazy to me. how I can get around this easily? Code snippet below shows 2 combox boxes and their datasources. I'm using VS2005, .Net 2
ComboBox1.DropDownStyle = ComboBoxStyle.DropDownList
ComboBox1.DataSource = AllergyListDataSet.Tables("ListOfAllergies")
ComboBox1.DisplayMember = "Condition"
[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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Jun 28, 2009
This should be something simple, but I just cant make it work. I have a DataGridView with a "Technician" column that I would like to have a dropdown box, allowing the user to select and assign that row to X technician. It works, however with the default edit mode, you have to click the box THREE times to get the dropdown. If the edit mode is changed to "Edit On Enter", it works FIRST click, but this ruins the way I want some of my other columns to work.
Questions:
1. Can I enable/disable editing of ONLY certain columns?
2. Can I set the edit mode for ONE column?
3. My "Unassigned" section (the last line) no longer works after adding my "With" section to add my combobox. I thought the "DataPropertyName" would allow this to work. Whats the deal?
4. Can I edit the visual style of the combo box? It does not match AT ALL
[Code]...
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May 19, 2011
I need a picturebox to change it's position and width according to values entered in a datagridview. The datagridview is unbound. Whenever I enter code for additional rows, i get an indexoutofrange error.
[code]...
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May 28, 2009
I'm currently developing a application in VB.Net. I'm using the DataGridView to display my data on the form. I have a EDIT button on the module and I need to know how can I populate a selected row record into the textboxes from the DataGridView.
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Apr 17, 2012
I'm familiar with SQL to an extent from PHP, but I've never worked with databases in VB.net before.I'm making a scheduling system to try and learn how to work with databases, and I have an Access database, that is already populated with data, has all the foreign keys and associative tables, that I need to connect to a DataGridView in my Windows Form.This is basically what I need to accomplish:-Have each table of the database display in it's own DataGridView.-Have changes made in the DataGridView/Windows Form in general... actually update the Access database(I would for example, schedule a new course(by clicking new course, and then selecting the appropriate values for each field), and it would check the make sure the student isn't in a class at that time, that the classroom isn't taken already, and the the instructor isn't busy at that time on that day)
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Oct 20, 2009
I'm completely newbie and I have been trying to solve a problem that is strongly related to what you guys had discussed here .
I have a datagridview (datagridview1) on my form and it is not linked to any database. I'm only trying to programatically enter values into the rows of the grid by values that my program generates.
For example if the value that my program generates is x, y, z then I would like to say something like[code]...
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Nov 25, 2011
i have an error is Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index how to rectify this.any one help me.
Try
If (conn.State = ConnectionState.Closed) Then
conn.Open()
End If
[Code].....
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Jan 13, 2012
how to add time on the arrow is pointing so that its look like a schedule?
i want to create a simple appointment system, so i decided to use datagridview to collect data, is this a good choice or there is another better choice??
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Jun 8, 2011
i have a problem with editing data in datagridview in vb.net 2005
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May 4, 2009
I have a datagridview that is bound to a Dataset I have created. My question is, how hard is it to be able to edit/add data to these rows? It looks as though the Dataset is actually a query of somesort (which you obviously can't edit) Is there a way to link directly to the table for editing? I know you can do this using queries, etc... but I'm thinking there should be an easier way.
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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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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 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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Feb 20, 2012
I have one DataGridView named dgv.dgv is pretty much a plain gridview. No bounded data. No columns added. It's basically empty.I also have one DataTable named dt.I add rows and columns manually into dt.
dt.Columns.Add(New DataColumn("TexBox", GetType(String)))
dr = dt.NewRow()
dr("TextBox") = String.Empty
dt.Rows.Add(dr)
I then simply set dgv datasource into dt.
dgv.DataSource = dt
dgv.Refresh()
I then set the value for this particular cell.
dgv.Item(0,0).Value = "xxx"
Now when I run and execute all those commands. I happen to retrieve the gridview with that value indeed. The "xxx" cell appeared and currently it's uneditable.What I want to achieve is:Allow this "xxx" cell to be editable. Preferrably if it can be inserted into a TextBox control inside the cell.
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Sep 3, 2009
When the cell is selected but not open for editing a right click will open the ContextMenu. If the cell is open in edit mode a differnt list is displayed (cut, copy, paste, etc.). Is there a way to append the ContextMenu to this menu or turn that menu off and use the ContextMenu?
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Aug 15, 2010
I am using Visual Basic 10/I have 2 datagridview tables. The main datagridview can be edited by the user; adding/removing rows, changing data in text/combo columns, sort, etc. 2 columns from the second datagridview are a carbon copy of 2 columns from the main datagridview. I have achieved this by binding both datagridviews to a dataset. So that when I edit the main datagridview the effects are automatically replicated in the second datagridview.
Before I bound the datagridviews to the dataset I had a fully functional system to save the content of the datagridview to a text file and read it back in. This has now stopped working with the error message 'Can't edit a bound datagridview programmatically'.
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Apr 7, 2009
I have been reading and testing for hours. I am trying to edit an mdb (access) database from a DataGridView, connecting both with an ADODB connection. The DataGridView populates from the mdb, but whenever I try to edit it, the new information does not get saved to the mdb. Here is the code I am using.[code]...
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Dec 7, 2011
I programmatically create a datagridview in my program. When the user first enters the datagridview with the mouse, the cursor changes to edit mode (thin vertical line) regardless of which cell is entered. I just want the cell highlighted (in selection mode I assume) as issubsequently done when the cursor is moved to a new cell.
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Jan 26, 2012
how to save again, after I edit cannot save again.... !The changes you reguested to the table were not successfull because the would create duplicate values in the index, primarkey, or relationship.
Private Sub cmdSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdSave.Click
Try
Dim save As String
[code]....
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