DataGrid Filter While Having A Null Value?
Jun 10, 2012
using strongly-typed ms access 2007 database , vs 10 i have a problem with datagridview filter i have 4 columns and allowDBnull is true , null value is empty my problem is that i need to have 4 textbox to filter the columns so i used in the texchanged
Me.PartsBindingSource.Filter = "Convert(partsn, 'System.String') LIKE '%" & TextBox1.Text & "%'" & " and Convert(description, 'System.String') LIKE '%" & TextBox2.Text & "%'" & " and Convert(Position, 'System.String') LIKE '%" & TextBox2.Text & "%'" & " and Convert(model, 'System.String') LIKE '%" & TextBox4.Text & "%'"
which works just fine , except for the rows which contains any null value as those rows are hidden all the time once i change the text, even when i clear the textbox they keep hidden i can only see them once the form is loaded to cut it short, i need to make a filter to the datagridview , that filter should show the rows even if one of the cells is null?
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Feb 15, 2012
I m trying to filter a sql db with many filter criteria which inert the user in textboxes .. i ve tryed this query
[Code]...
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Oct 16, 2011
I have a datagridview with transaction bindingsource I want the datagrid to show the sorted rows only not all the records when i enter a value into a textbox and click button sort.
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Feb 15, 2012
I try to filter a datagridview and I wrote an sql statement for that reason. The problem is that although I achieved to have multifilter I can find how to make my cod ignore the criteria which are null (empty criteria, when the user doesn t give any values). I tried the code below but I know that it isn t correct.
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Sep 29, 2010
I've using binding source filter to filter the data i see in the datagrid based on the value of the cell (this is in relation to the checkstate of a checkbox column), so far so good
InvBindingSource.Filter = "Saved = '1'"
what if i wanted to filter and only show the rows with null in that column?
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Feb 7, 2012
I have a BindingSource that is my DataGridViews data source. I want to filter for all rows where column1 is blank. For example, one row may contain a null value, some rows may contain just white space, and other rows may contain text. How do I show just the rows with text (or numeric, or date) values?
Also, how do I filter for non-blank rows? This would show me all rows that contain a blank cell.
Me.BindingSource.Filter = ?
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Nov 7, 2009
I'm trying to filter all the records in my datatable that have a NULL value for one the fields in the table, I'd like the bindingsource to show only those records that have null values.
[Code]...
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May 19, 2012
I have a form with 2 datagrids bound together which are working perfectly. I know want to add a combobox at the top to filter the first datagrid. I have the combobox show the items I want to filter on:
[Code]...
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Feb 16, 2012
how to filter the datagrid view? what i mean is, the data that will only show in the datagridview depends on the date selected on the DateTimePicker(dtpDate) example if the value of Date is march 20 2012 the data that will only show on the datagrid view is the event that is save on the march 20 2012. also to arrange it ascending based on time.
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Jun 6, 2011
how can I filter the items on my datagrid which is displaying the data from my SQL server database, through a textebox text.
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Apr 18, 2012
I am new to programming and especially VB and I am trying to make a CSV reader where I can filter all of the content with a single search box. Here is the code I used to load my CSV file into a datagrid:
[Code]...
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Jan 26, 2010
I am trying to filter a datagrid alphabetically.I already have a filter in place to sort by grade(another column in the grid)but I have tried 10 different tutorials and can not get the alpha to work. [code] The last on is the alpha filter, the top is grade and the middle is to show all
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May 12, 2010
I created a filter for a datagrid using a combo box, but every time I select an item from the combo box and there is no data for that filter I get the following pop-up error during debugging:Index -1 does not have a value.Here is the code that I am using:
1 Private Sub RYAN3estimatesBindingSource_CurrentChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RYAN3estimatesBindingSource.CurrentChanged
[Code]...
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Jun 9, 2009
I'm tryng to filter a Dataview & bind it to a datagrid but when I do the below, there is no effect. The dataview returns the original recordset.
Dim
filteredProductSpecs As DataView = Me.ProductSpecifications.DefaultView
filteredProductSpecs.AllowEdit = True
filteredProductSpecs.AllowNew = True
[Code].....
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May 23, 2011
Actually i had created a vb.net project with a several forms and now in my project i got a doubts one is the i want to filter the data which i had stored in the table which i had created in the sql database and linked with the form .Now i had retrived the table data in the datagrid view but i want to filter this data according to the Month wise
Consider the data as given below
CUSTOMERNAME MONEY DATE
RAJA 1000 5/22/2011
[Code]....
Now i need is i wanna filter the 5 month details only if the user selects the month from the combobox the combobox contains 12 number starting from 1 , 2, 3......12 .
If the user selects 5 it must filter the result and show only
RAJA 1000 5/22/2011
SANDEEP 54543 5/15/2011
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Apr 29, 2010
I have tried to query the data in Access but the filter that is on the query does not transfer over to the datagrid. I would like to be able to filter the information on the datagrid, but I do not want to use a text box or combo box. Here is a sample of the data that I am working with:
[Code]....
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Nov 6, 2011
Kinda new to working with wpf apps (and vb.net). Looking for a way to filter a datagrid using a combobox (to select the field that the user wishes to search) textbox (to input search terms for specific records). The datagrid loads fine as does the combo containing the fields, however my filter simply does not work.
Code for loading data (works fine)
Dim obj = Me._dataManager.Collections.ReturnCollectionByID(tableSelectionCombo.SelectedItem.TableID)
Me.DataGrid.ItemsSource = obj
obj.Load(New DataManagementDataRequest(Nothing, Nothing))
Code for filtering (not working)
If Me.searchTxt.Text IsNot Nothing Then
obj.filter = selectFieldCombo.SelectedItem.ToString Like searchTxt.Text.ToString
Else
obj.filter = ""
End If
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Apr 19, 2012
need a quick reply looking for code that will filter my datagrid with all the results between 2 dates in 2 datatimepickers. My table is not bound to the database. I'm looking for code that will work when the search button is pressed.
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Mar 15, 2012
I'm trying to create a Select Distinct query, but i'm getting stuck with either an empty combobox either a filled combobox that displays all the doubles.or a message "System. Data. DataViewManagerListItemTypeDescriptor".I have a form (form5) with 1 combobox and 1 datagrid. The datagrid loads 5 collumns "ID", "firm", "Fname", "mname", "Lname".[code]I would like to select the firm from a combobox and filter the datagrid so that it only displays the selected firm and the people that are registred here. Furthermore i want the combobox that i use for selecting the firms to lose the doubles.I can load the datagrid and load the Combobox, but selecting is only pointing to the record (highlights in the grid) i chooses but doesn't filter.[code]I use the "Me.EmployeesTableAdapter.Fill" method so mu question is, is it possible that i don't need to use the OLEDB connection or do i still need this to correctly connect to the DB (access)? I changed the script that i brewed together as displayed above, but this did not do the trick.
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Jun 22, 2010
I am new in programming and I'm making an application that can filter records on datagrid from the user's input in textbox..I tried this code that I also got here.. But I'm getting an error.
ERROR MESSAGE:An unhandled exception of type 'System.InvalidOperationException' occurred in system.data.dll Additional information: Fill: SelectCommand.Connection property has not been initialized.
[Code]...
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Sep 17, 2011
In stead of using Datagrid for filtering and importing - listview for filter and import can it be possible?
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May 5, 2012
I'm working on a mobile project, and I have this:
search textbox (fillby method)
combobox (bound to the data)
datagrid
[code].....
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Apr 19, 2010
I am using access database to store my datas?I have used a datagridview to present the data to the user.I want to give the date filter option to my users.How can i bind the datetimepicker control with my datagridview.one of my datagridviews coloumn is contains date string.
Private Sub btnViewAll_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnViewAll.Click
'Declaring connection string
Dim objConn As New OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data Source = D:queDB.mdb")
[code]....
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Oct 19, 2009
i have a form with a textbox, datagridview, tabcontrol. I use the tabcontrol to create an indexed view of the datagrid using the alphabet to filter the records to show the respected fields according what tab was selected. The textbox I have on the form is databinded to a field of a table in the database. The datagrid is also databinded to the same table in the database. The binding on the textbox breaks when I press on a tab to change the filter type. On the tabcontrol.selectedindex event I have this code to filter and fill the datagrid is: conn.Open()
[code]...
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Sep 17, 2009
I have a form that has a combo box and a sub form which displays as a datasheet or aka. datagrid. I would like as i type text into the combo box that the datagrid scroll to the matching record.
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Aug 19, 2009
I'm writing a windows forms project in Visual Studio 2008 - VB, data are stored in SQL database.- I have a date field within Datagrid that could be Null or have a date in it. I had set it to show <none> when it's Null (Null is allowed for this field). The problem that I got is when user would need to delete the date from that date cell within the grid. I'm getting an error immediately after pressing "Delete" to clear the cell value. I had put in a work around - added the code for grid DataError event and assigned DBNull.Value to that cell and user is able to type in <none> for that cell or just press save, but it won't allow to go to the next cell in the grid if you don't save or type <none>. I'm sure that there is a better way handlig situation like that. May be using different event? I wasn't able to find anything else on it.- the other issue in the datagrid - if user fills in 3 cells out of 5 for example and press save while in the 3d cell - it won't save the value in the 3d cell. I also put a work around to check for the values in specific cells before saving but the problem with it - few cells could be Null (and should be Null). I can't check every single cell value and force user to type something in it.
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Nov 25, 2011
I get a 'Conversion from type DBNull to String is not valid' error when I proceed to insert the row with a null cell value from my program to MS Sql Server even if the column is already set to accept null values in the database. How do I solve this? FYI I'm using an unbound datagrid, and I get all the screen values during runtime.
Property SerialNo()
Get
Return strSerialNo [code]...
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Oct 19, 2010
I think my question is discriptive, or as Microsoft in the Documentation for Data Grid the question is, How do I have a combo box column display a sub set of data based upon the value of a different combo box column?
[Code]...
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Mar 20, 2009
I am trying to filter the results of a datagridviw using the bindingsource.filter method.
Dim filters(2) As String
...
If Me.txtPartIDFilter.Text = "" Then
[code]....
The issue is in the last line. ID_Part is an Int64 data type filters(0) is a string so the system returns a "Can't perform 'Like' operation on System.Int64 and System.String" error message.As you can see I tried converting the data type, but that failed since it is encased in String.Format()- it's going to be a string no matter what, I suppose.It's almost 1:00 a.m. so I'm not firing on all cylinders.
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Oct 10, 2011
I'm trying to filter my access database and when I "search" by name, it works, but when I search by policy number it doesn't seem to work.
Here's my code:
If RadioButton3.Checked = True Then
Form3.Show()
Me.Close()
[CODE]...
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