In my program I allow to the user to change the columns Display index of a data gridI need to save the new Column Display index in a database so I can use it to display the columns in the order that the user want the next time he opens the form
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How do i return the column index of an item within a WPF Datagrid, when I click on a cell I'm using Visual Studio 2010/VB.Net?
View 1 RepliesI'm trying to figure out how to set the index of a combobox column in a datagrid view when I load it from SQL Server. The combobox has a string in the text field and an index in the value field, and I want to set the selected index to match the value to an ID in the row from SQL. Not really sure how to bind it that way.
View 9 RepliesI am reading a xml file and display all the data in datagrid view. But when I chose to display data of just one column only the data comes in the dgv but no column header. Same problem shows up, if I chose to display a particular row of a particular column. How can I fix this ??
Private Sub all_columns()
Try
ds.Tables.Clear()
[Code]....
I am using Visual Studio 2005 and .NET 2.0 to display data pulled from a Oracle table. I am trying to display a notes column, but the column is not displaying the CRLF characters properly. The text is showing as a single line.
Private Sub BindNotesGrid()
Dim colRequestNotes As New BoundColumn()
Dim colCreatedBy As New BoundColumn()
Dim colCreatedDate As New BoundColumn()
[code]....
I have a xml file with three columns (A, B, C). I want to take column name from a text box - i.e (column A from text box) and display all the contents of that column in a DGV. I want to do same kind of operation with rows - i.e (any row no. from text box) as well. I manage to display all the columns of xml file to dgv, but not anything else.
Private Sub all_columns()
Try
ds.Tables.Clear()
ds.ReadXml("abc.xml")
[code]...
i am having trouble putting a value in a textbox. Each time a ticket is sold i put the total price in a textbox, each time a ticket is sold for the same concert it increases by adding its self to the total price. It works at the first sale, but after that it breaks down. here is the code
Private Function DisplayMoneyTaken() As Integer
Dim totalMoney As Integer
'open the database connection
[Code].....
How can i get the Column Index and the Row Index when I click on the ListView?The ListView1.FocusedItem.GetSubItemAt(e.X, e.Y).Text function only gets the text of the first column, I can't find the option of getting the Index of the Column and Row upon clicking.
View 9 RepliesIs there a way to find the column index of a datagridview column using the columns DataPropertyName?I currently use a loop (shown below in the class) which is kind of ugly, but it works. I'd like to do something like this, which seems more elegant.My goal is this, I store the users DataGridView column settings (i.e. DisplayIndex, Visible, & Width).When the user opens the form that contains the datagridview I want to get those settings from the database and apply the settings to the datagridview.[code]
View 5 RepliesWhat I am trying to do basically is open an access query in a datagrid view and then be able to make changes to the datagrid and then save it back to the database.When I try to save:
Me.BindingSource.EndEdit()
Me.TableAdapter.Update(DataSet)
It says that update is not a member of the tableadapter... Why is that?
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]....
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.
i am developing a software using microsoft visual studio basic 2010. I set up a connection string to my server and take the data from there. I am using gridcontrolview and put my "product" table in here. It contain 4 column: systemid, system, actualid, description. I want to display only system column (it's easy, just hide the others column) But, In "system" column, there are a lot of similar data, i want to display only distinct data from this column in the grid
example, the column consist: STSTEM
topaz
topaz
topaz
[Code]....
i try to user "add query", buat if i get rid of the other 3 column, there will be error message like "the output is different with the schema"
I need to move my index to new rowThe code I used in 2003 wasdtg is the name of my gridThe code for 2003 is
dtg.UnSelect(dtg.CurrentRowIndex)
dtg.CurrentRowIndex+=1
dtg.Select(dtg.CurrentRowIndex)
[code]....
Does any on know how to find the index of a row in a data grid based on Checkbox = true. ?I may have several check rows and need the index to update an insert query that updates anther table.
View 5 RepliesI have a datagrid, I am filling it with LINQ as well as a custom class to add data to it.Afterwards, I need the data in a specific order - it seems to ignore me.How do I change a columns properties, like index etc??[code]
View 3 RepliesI have a search form on that will be pulling search template queries from a table in the underlying (an Access db on a share). The search form has a calendar control for filtering by date range, a listbox containing the names of the search templates, a second listbox which lists the fields in the selected template, and then some controls which show/hide themselves depending on which field is selected so that the user can pick a field and enter it's unique criteria in the appropriate control for filtering. Below these controls is a DataGrid, which will obviously display the results.
The problem is how to dynamically "transform" this DataGrid to display the selected search template. These templates do not represent tables in the underlying; rather they represent preconstructed SQL queries (stored in a table) which are essentially SELECT queries with joins and no WHERE clause (so they are the results of multiple tables joined together by their keys).
To be honest, I'm having trouble even generating the LINQ queries to represent these template dynamically, but that's not as important, since I can manually translate the SQL queries into LINQ. This is definitely not the preferred method, as the whole point of putting these templates in a table, rather than code, was to allow for future additions without rebuilding/redistributing the application interface.
I wish to be able to instantiate my Cell class while naming the cell instance with such name as "A", "B", "C", etc. just like in an Excel spreadsheet.
I have my Cell class like so:
public class Cell {
public Cell(Range nativeCell) {
NativeCell = nativeCell;
[Code].....
I would need to generate a name based on the alphabetic letters and double and triple them once I encounter the last alphabet letter 'Z'. The algorithm would have to generate the letters that I would concatenate with the rowIndex value that would result to this naming strategy such as Excel.
The letters would be:
A, B, C, D...Z, AA, AB, AC...AZ, BA, BB, BC...BZ, CA...XAA, XAB, XAC...
While we clearly know that colIndex value 1 will definitely designate column "A", value 2 = "B", value 3 = "C", etc.
My problem is particularly when we double the letters.
how I could achieve this in the simplest possible form?
I have a DataGridView containing a large number of columns. I want the users to be able to select multiple columns and then select a menu item to hide the selected columns. For example a user might selected columns 5 through 10 and I want the program to hide those columns. I know how to hide columns, one at a time. I can get the count of selected columns but I have not figured out how to get the index to the left-most selected column. Trial and error is such a slow process.
Considering the huge number of options offered by the DataGridView tool, it would be nice if this forum had a special category for the DataGridView (common to VB and C#).
Finally I got the desired results but it took a lot of coding, looping through the selected cells to find the one with the lowest column index, then a second loop to count previously-hidden columns, then a third loop for hiding the selected columns, stepping past previously-hidden columns and declining to hide frozen columns.
I want to perform some simple auto-formatting to the cells in my GridView. So far, I have the following code:
Private Sub gridviewRefreshPanel_RowDataBound( _
ByVal sender As Object, _
ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) _
Handles gridviewRefreshPanel.RowDataBound
[Code]...
In a DataTable object, is there added overhead to looking up a column value by name thisRow("ColumnA") rather than by the column index thisRow(0)? In which scenarios might this be an issue. I work on a team that has lots of experience writing VB6 code and I noticed that didn't do column lookups by name for DataTable objects or data grids. Even in .NET code, we use a set of integer constants to reference column names in these types of objects. I asked our team lead why this was so, and he mentioned that in VB6, there was a lot of overhead in looking up data by column name rather than by index. Is this still true for .NET?
[Code]...
Is it possible to retrieve the column index by name for the sharepoint SPListItem? I haven't been able to find a method for doing this.
So for example.
SPListItem data;
int32 value = data.getIndexByName("Title");
I have datagridview with XSD as the binding source (i configured it with the smart tags). After build, the dgv change its columnIndex which surely result error of my code.
For example
columnIndex(0) = idEmployee (dataGridViewTextBoxColumn)
columnIndex(1) = name (dataGridViewTextBoxColumn)
columnIndex(2) = status (dataGridViewCheckBoxColumn)
suddenly, the columnIndex(2) moved into columnIndex(0)
I am trying to sort a column in DGV as follows:
DataGridView8.Sort(DataGridView8.Columns(0), ListSortDirection.Ascending)
However, I want to use the name of the column and extract the index number in the first parameter of the Sort method. However this fails:
DataGridView8.Sort(DataGridView8.Columns("Date").Index, ListSortDirection.Ascending)
When I right click on ultra grid view or may be grid view. I want to display different contextmenu strip for different columns. But when I right click I get index of column which I selected not which I right clicked.
Code is as follows:
Private Sub DataGridView1_MouseDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles DataGridView1.MouseDown
If e.Button() = Windows.Forms.MouseButtons.Right Then
MessageBox.Show(DataGridView1.SelectedCells(0).ColumnIndex.ToString())
End If
End Sub
I need to sort a datatable. I do it with linq this an example
Dim query = From c In dt.AsEnumerable _
Order By c.Field(Of DateTime?)("LastPurchaseDate"), _
c.Field(Of String)("LastName") Descending
Dim dv As DataView = query.AsDataView
But my problem is that i need to sort the fields not by passing the name of the column but the index of that.
Cannot get list box to display each increment and cannot get data to save correctly in order to display.
Public Class Projectile_Motion
Dim initialHeight As Double ' Holds beginning height
Dim initialVelocity As Double ' holds velocity
[code]....
So say I have a listbox, and a treeview. I select(using multiselectextended) a bunch of items in the listbox, I then press a button and it sends those selected items to a teeview node and removed them from the listbox... I then modify the items, add more items, etc..after I'm done modifying them, how could I send the items from the treeview back to theyre original position in the listbox?
View 2 RepliesUsing Visual Studios 2010.I have a project form.on this form is a tab page with 7 tabs on it. i also have a listbox and 6 buttons.i have the listbox datasource set to the bindingsource i'm using and the display member set to name, the 6 buttons filter that datasource based on what i want them to filter it by.... what i'm trying to do is have the buttons filter that data accordingly then select the filtered item onto a different tab... I DO NOT WANT TO USE DIFFERENT PAGES. SAME PAGE, DIFFERENT TABS. Sorry, not yelling just want to make that clear.so say when the page loads my listbox populates with all my projects. i click the button that says "wood" and the listbox filters all the projects under wood. i want to be able to select 1 item and have it fill the dataset on the tab that is labeled "wood projects"...
Same with if i select "metal". listbox filters all the projects under metal, i select 1 item and it fills the dataset under the tab labeled "metal projects"... and so on...now i got the listbox to populate and the buttons all work as far as filtering....but how do i go about doing the select part and having it fill the appropriate tab page?
i have two datragridviewcomboboxcolumn,and two textbox column in a datagridview.each combobox column is binded to separate binding source.
column names are sl_no,col_empname,col_empworktype,Col_Hours etc.and
displaymember,datapropertyname,valuemember and for comboxcolumn are
col_empname:-emp_name,emp_id,emp_id
col_empworktype:-worktypename,worktypeid,worktypeid
[Code]...
