DataGridView Multiple Row Selection, Specific Column Data Get?

Apr 23, 2012

So I have a datagridview being populated with data from a database.At this point a user may or may not selected (via mouse click / key press) one or more rows within the datagridview.I need to (upon selection) create a new dataset, datatable and add rows with the some data from the said datagridview.

For example, if a table had nothing but names, e.g.

Joe
Sean
Larry
Chris

Upon the user clicking, dragging a selection over Sean and Larry to add those names to a new dataset so I can pass it to another method for further processing.

[Code]...

Input array is longer than the number of columns in this table.It looks like I'm either missing a column declaration or adding the table to the set?

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DatagridView Column Selection

Jun 21, 2010

Am using vb.net 08 and i have a datagridview with 3 columns. The first column has a button as the columntype with the name "UserName". Now, i want if the user clicks only on the UserName which is the first column, but not the entire row, it should display the value of the UserName column only. If other columns are clicked are apart from the UserName, nothing should display. So there will be a for loop that will itera te through all the rows of the datagridview.

So i have something like this:

CODE:

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Jan 13, 2010

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What is that column called?  and how can it be removed or hiden?

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Add persistence to multible DataGridView in terms of Hide/Show column and column width

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Iv've always done a loop like below to go through each row of my DataGridView..For Each row As DataGridViewRow In DataGridView1.Rows....Is there a way to specif a specific row and column that i want to get data from? I tried this below but didnt work

MessageBox.Show(dataGridView1.Rows[1].Cells[0].value)
and
MessageBox.Show(dataGridView1[0, 1].Value)

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Jan 15, 2012

let's say the datagridview have 3 column

|--------------------------------
| id | name | age |
-----------------------------------
| 1 | john | 20 |
------------------------------------

i want to get "id" only from every row i tried this code,but it wont work

For cn As Integer = 0 To DataGridView1.RowCount - 1
DataGridView1.Rows(cn).Cells(0).Value)
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With dgvGrid

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there are still more of it. The data needed for those columns is coming from a different table.

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Exampel :
 column 1=ID
 column 2=Range
 coulmn 3=Name

my question is :i want to key -in data in TEXTBOX1.text to column 3 Normally i use code bellow,

datatable.rows.Add(text1.box.text)

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how to convert a string that is entered in a column to proper or title case. For example, user enters "now is the time". Code will capitalize the first letter of each word "Now Is The Time". In VBA I would execute the following code in the afterupdate event: me.fieldname = strconv(me.fieldname, vbProperCase).

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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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I'm trying to sort multple colums in the DataGridView which is unbound. I would prefer to sort by using a DataTable/DataView but for some reason another developer in my team experienced other problems relating to sorting so he abandoned using the DataTable to fill the grid :(

Here is the senario: I want the user to be able to choose which columns they want sort on. The way I envisaged was to show a form with a listbox, a grid and 3 buttons (Add to sort, Remove from sort and Apply Sort).

The list box would be populated from the parent form grid column headings.
The grid will show the columns and sort direction.
Button 1 would add the selected item of the list box to the grid.
Button 2 would remove from the grid the selected row.
Button 3 would Apply the Sort in the order of the grid and the columns SortDirection.

Now I looked at How to: Customize Sorting in the Windows Forms DataGridView Control using the IComparer [URL]

how I can use the IComparer to sort on multiple columns that a user has specified or another way to sort on multiple columns using unbound data.

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Two quick questions about datagridviews... I have an unbound dgv and I'm trying to do some simple formatting but sadly my .net knowledge is limited at best. I'm trying to make a balance sheet and I need to do two things:

1. How can I set row(d) to sum row(a:c) for each column (for multiple years of financials)

2. Is there anyway to not only make a row readonly, but make in unselectable (to skip totaled rows)?

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Feb 22, 2011

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Dim myIPs As System.Net.IPHostEntry = Nothing
Dim ip As String
Dim h As System.Net.IPHostEntry = Nothing

[code]....

but is there a way to either compare the adapter address list to a mask to get the correct value() for the ip address or is there another way to return the ip im not aware of?

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Dim currentDay As Integer = 0
Public Property CurrentDay As Integer
Get
If (Not (ViewState("Day")) Is Nothing) Then

[code]....

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Jun 19, 2010

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'special conditions
strScopeParagraph &= "Some special conditions which will require specific attention are:"
'strScopeParagraph &= ControlChars.Cr

[code].....

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Aug 19, 2010

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Apr 9, 2010

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Feb 19, 2010

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Feb 21, 2010

when selecting a value in  the rowindex(0) of column name("time") should start with the selected value of textbox1

Dim booking_table As New DataTable
booking_table.Columns.Add(
"Time", GetType(String))

[code].....

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Nov 20, 2011

I prefer that the first column shown above is not displayed. Is there any design/programmatic way of achieving this?

Edited :
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Jan 7, 2010

I'm new to VB.NET and looking for some help with combo boxes. I was wondering if it is possible to link 2 combo boxes to each other based on user selection? [code]If the user selects Dept Name "Bakery" from the first combo box the second combo box should fill with the appropriate Section Name i.e. "Bread", "Cakes" etc.I am using VS2008 and the DB is SQL Server 2008. Both combo boxes are currently bound to the above Tables and displaying all Dept and Section Names.

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Mar 22, 2009

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Mar 19, 2009

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If Not (pb.Image Is Nothing) Then

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May 22, 2009

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Feb 27, 2012

I have a datatable loaded from a database. I bind the datatable to a gridview on page_load. Now I want to filter the gridview by a user selection so I made a checkboxlist and wrote some code as follow at CheckBoxList1_SelectedIndexChanged

[Code]...

With this code above, it can filter if there is only one selection on the checkboxlist. I try to loop the checkboxlist myself but always ended up in errors. Hope someone can help me out to make this work.

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May 1, 2009

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Dim ConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|aop29.mdb"
Dim objConnection As New OleDb.OleDbConnection(ConnectionString)

[Code].....

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Feb 19, 2012

I am enrolled in a college course using Visual Basic 2010 Express.My current assignment calls for the following:Create a small program that allows a user to enter the total amount of purchases for the purpose of calculating rewards points based on the purchase totals vs. their membership level of basic, standard and premium.The user selects their membership level via 3 radio buttons, basic, standard or premium.

The total of purchases and their rewards points depend on the membership level. Example, if you are a basic customer and your total purchase is under $75, you receive 5% in rewards points (70 x 0.95). Additionally, if the total is between $75 and $149.99, you receive 7.5% rewards.Here is what I have so far, but I am getting errors on the ElseIf statements:

If basicRadioButton.Checked = True And totalTextBox.Text < 75 Then rewards = total * 0.95
ElseIf basicRadioButton.Checked = True And totalTextBox.Text > 74 AndAlso totalTextBox.Text < 149.99 then rewards = total * 0.925
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[code]....

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Try

[code]....

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[code]...

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