I have a listview populated from a database (im a bit of a novice with programming) and i want to be able to type a surname into a textbox and search the listview for that person. I can easily populate textboxes from searching the database but am unsure how to "filter" the listview so if i type "jones" into the surname box it only displays the people in the listview who have the surname jones.
View 3 Repliesthis is the codes but not working
Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
[code].....
I get some very generik trouble need to implement List View with Image in SubItem. All can be very fine ....But I need to use Virtual Mode. Whatever I search I haven't still found working solution's. I have found some C# code that seem's do that. But I can't convert it in VB.Net. let's explain detaly.
View 2 Repliesthe VB .net experts. I added the following code and I get an error as shown below.
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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.
View 8 RepliesI want to develop a tree view and list view form by using vb6, how to construct a tree view and list view form?
View 1 RepliesI'm using a dataview and bind it to data grid view. Currently my data is shown nicely at data grid view, and I successfully added filter: itemDataView.RowFilter = "item_id LIKE '" & Me.txtItem_ID.Text & while itemDataView is my dataview, and txtItem_ID is a text box to allow my users entering filter parameter.
This code runs nicely, but the problem occurs when a user enter special character(s) like an apostrophe (single quote " ' ") or an opening square bracket " [ ". Is there any way so that I can escape this characters? Currently I'm replacing each one of them using text.Replace()
itemDataView.RowFilter = "item_id LIKE '" & Me.txtItem_ID.Text.Replace("'", "''").Replace("[", "'[") & "'"
Regards,
How to create a Filter in Data Grid view.
View 3 RepliesI am trying to set the criteria for a data view row filter but I am getting this error:
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I want to display the result in listview that i written in the texbox
View 1 RepliesCode is:
Private Sub PatientFields()
txtFirstName.Text = pa.Tables(0).Rows(intcurrentindex).Item("Forename").ToString()
txtLastName.Text = pa.Tables(0).Rows(intcurrentindex).Item("Surname").ToString()
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Once the search is executed I want to be able to click "refresh" and the original table is then shown in the datagridview. If I try adding after the search sub is completed:
table.DefaultView.RowFilter = Nothing
how to view explorer in list view control?
View 1 Repliesi 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()
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I am loading a series of JPG images into an image list then using that to fill a list view. My program is using ALOT of memory by doing this. What would be the easiest way to add the images but take up less memory/time?
View 3 RepliesI have added a list box and now i need help to display the data about my employees in the list box. How am i supposed to do that, do we have to put in codes or need to use that small arrow near the list box.
View 15 RepliesPublic Sub adjectAllNormals()
Dim qry As LinkedList(Of CElement) = From elm In Elements
From id In SelectIDs()
Where elm.ID = id
Console.WriteLine(qry.Count)
End Sub
I would like my gridview to be filtered by the dropdown list I have. It is pulling specific information from the database, so when you choose a value from the dropdown list, it should search through all the records and find only records with the ddl value in them.
The code that I am using in the codebehind for the SelectedIndexChanged is not right though. I get an error message saying 'Value' is not a member of 'Integer'. This is on the line dsCompanyFilter.SelectParameters.Add
It probably has something to do with the gridview not tying to the dropdown list properly, but I am not sure how to fix that code.
<asp:Content ID="Content2" ContentPlaceHolderID="body" Runat="Server"><br /><br /><br />
<asp:linkbutton id="btnAll" runat="server" text="ALL" onclick="btnAll_Click" />
[Code]....
I know I can do this with a for loop cause that's how i'm doing it now. I was hoping for a more efficient way to accomplish the task.
I have a dictionary(Of Integer, Boolean) or Of String, Boolean. i want to get a list(of integer) or Of String from the dictionary where all the values are true(or false depending on what i need at the time)
and to generalize it or "black box" it, it could be any dictionary(of whatever, whatever) and return a list(of whatever) where the value = whatever i'm looking for at the time.
string, string where value = "Closed"
in short: i want all list of all the keys who's value = some criteria
my current code:
Public Function FindInDict(Of tx, ty)(thedict As Dictionary(Of tx, ty), criteria As ty) As List(Of tx)
Dim tmpList As New List(Of tx)
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I am trying to filter a list of (t) by multiple criteria. here is what i have:
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I now want to filter this list by myObject's various properties. Heres the problem:
1. A user should be able to either filter on one specific custName or remove the filter for this property AND
2. A user should be able to either filter on one specific notificationDate or remove the filter for this propertyl AND
3. A user should be able to either filter on one specific materialType or remove the filter for this property
I know I can just write a lot of if..then but i'm looking for a more elegant solution.
I have a list of 100,000 urls in list(Of string) which can contain urls in the form.[URL]..i have tried using a combination of regex and the Uri class, but that didn't help, so i dumped the code. i also tried using this code, but it will only remove duplicatse of exact form, since its not domain specific.
list = new ArrayList<T>(new HashSet<T>(list))
How filter these duplicates and keep just one of these url if it contains the same name e.g yahoo.
all URL are of different domains, but can usually have duplicates like the example i gave above
also, am using .net 2.0, so i can't use linq
How to Filter a Database Query Using a List..
View 2 Replieshow can I get the list of Items proposed by the AutoFilter function for a column in an excell sheet (Excell 2003)? For example: I have activated the AutoFilter in an Excell sheet.In the column A, the filter propose (All), (Top 10), (Custom...), A, B, C, (Blanks), (Non Blanks).I want to retrieve in Visual Basic the items A, B, C.
View 2 RepliesI would like to write a generic function that would search a List(Of T) for all elements of type TFilter and return a List(Of TFilter) which comprises those elements.
I've tried this:
Public Function FilterList(Of T, TFilter)(ByVal ListToFilter As List(Of T)) As List(Of TFilter)
Return ListToFilter.FindAll(Function(z) z.GetType.Equals(GetType(TFilter))).ConvertAll(New Converter(Of T, TFilter)(Function(z) CType(z, TFilter)))
End Function
But, it gives the following error:
Value of type 'T' cannot be converted to 'TFilter'.
I am trying to write a query for an existing database, I am using LINQ on EF3.5 inside VS2008 as that is the only environment available to me.I have a starter query that gives me a list of items so the user can select what they want.
"e.Result =
From c In MLDb.TBL_FeatureInfoSet
Order By c.INSP_ROUTINE_NM
Select c.INSP_ROUTINE_NM
Distinct"
The user can then select from the list one or several items they are intersted in and i want to use these as the filter in a further database call. It's not then difficult to have a where to filter on one string however, I would also like to be able to allow the user to select several items from the list box and the data for all of those to be returned.
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This post is similar to one I have posted before about a dropdown filtering results in a gridview. Well now I need this dropdown to attach itself to a repeater that will filter results into a gridview. I have tried rptLetters.DataBind() in the code behind of the dropdown list, but that doesn't seem to be changing any of the letters at the top of the page when I click on different items in the dropdown list.The screenshot doesn't show enough of the products, but in this case it skips from G to L, and in the repeater the letters between G and L are still shown. I need to be able to get that repeater to recognize the letters that start each of the products associated with the company chosen.
<asp:Content ID="Content2" ContentPlaceHolderID="body" Runat="Server"><br /><br />
<asp:linkbutton id="btnAll" runat="server" text="ALL" onclick="btnAll_Click" />
<asp:repeater id="rptLetters" runat="server" datasourceid="dsLetters">
[code].....
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.
View 1 RepliesCould not find this through Google or in SO questions.I have a checkbox listbox on my form. I want to filter my List by the list of selected Ids from that listbox that are checked, in SQL I would have done this like "Where TypeId In (1, 4, 5, 7)"... how do I do that in LINQ?
I feel like I am missing a really obvious answer, but cannot get it.
For argument sake... here is the what I have for sample data:
In Colors (List<of currentColors>)
ID, Name, TypeId
1, Red, 1
2, Blue, 1
3, Green, 2
4, Pink, 3
Selected Types 2 and 3 in CheckboxList: filteredColors
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Is it possible in vb.net to list view and possibly alter the contents of the ram on a computer, I presume this would have to be done through api because of the lack of access to the ram on xp +.
View 1 RepliesPublic Class frmListView
'***************************************************************************************************************************
' The code below is for multi select of items from list view by holding down the control key! This does not work!
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Can anybody tell how to list view opened files in VB.NET.
The opened files should be seen in list view at the left part of GUI.