Asp.net - Nothing Happens When Click To Sort A Column In GridView?
Jul 26, 2011
I have coded my program so that when a user clicks on a column, the data is sorted in ascending/descending order.When I go to click on a column header, however, nothing actually happens.I dont get an error or anything.Here is the code that I am using to sort the records in the GridView:
Property GridViewSortDirection() As SortDirection
Get
If IsNothing(ViewState.Item("GridViewSortDirection")) Then
Return SortDirection.Descending
[code]....
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Sep 18, 2009
I have a filtered gridview in an updatepanel.I want to allow to sort filtered data.How can this be done?When I click to sort a column it reloads the entire gridview.
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Feb 13, 2012
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]....
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Nov 5, 2010
I got a gridview which auto generates columns. One of the columns is a date field.Somehow, i cant sort the date field. It's being interpreted as a string.The data comes out a database. The datatype there is set on datetime.his is the code in the aspx file:
<asp:BoundField DataField="date" HeaderText="date" SortExpression="date" DataFormatString="{0:dd/MM/yyyy}" HtmlEncode="false"/>
[code].....
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Jun 10, 2010
i have a GridView bound to a DataView. Some columns in the DataView's table are foreignkeys to related tables(f.e. Customer). I want to enable sorting for these columns too, but all i can do is sorting the foreignkey(fiCustomer) and not the CustomerName.
I have tried this without success(" Cannot find column ERP_Customer.CustomerName "):
<asp:TemplateField HeaderText="Customer" SortExpression="ERP_Customer.CustomerName" >
A tried also the DataViewManager, but i've a problem to detect the table to sort:
Dim daCharge As New ERPModel.dsERPTableAdapters.ERP_ChargeTableAdapter
daCharge.Fill(dsERP.ERP_Charge)
Dim viewManager As New DataViewManager(Me.dsERP)
[Code].....
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Jan 21, 2010
I have total column in gridview in which data should like
302(33)
790(126)
936(69)
1649(132)
718(71)
973(101)
1535(165)
0(32)
When I sort this column I got result like :
973(101)
936(69)
790(126)
718(71)
302(33)
1649(132)
1553(159)
0(32)
I need output like this :
1649(132)
1553(159)
973(101)
936(69)
790(126)
718(71)
302(33)
0(32)
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Jun 1, 2010
I created a DataGrid by dropping a DataSource on my Form. When I run it in debug, it works great.
My question is:
When I click on a column to sort by, ascending or descending, how can I tell which column was clicked on, and whether it is ascending or descending?
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Sep 4, 2009
how we can sort a listview by a column without click event?
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Apr 26, 2012
Here's the issue in a nutshell (I can elaborate if you feel it's needed). In a DataGridView I want to capture the value of the row's key column so that when the user clicks on a column header to sort the data, I can reposition to the row that was selected prior to the click. The problem is that the sorting itself, once it's done, fires the same events (RowEnter for example) that I used to determine my key value, so it sets my variable to a new value and now
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Nov 29, 2011
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
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Feb 3, 2012
I feel confused that why each time I click on this code button, it adds one column as the the result on below pic.[code]
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Aug 3, 2009
I have a listview set up in Details View and I run a ascending/descending sort routine on the appropriate column when the user clicks one of the column headers.However, when I switch companies and reload the listview with new information, for some reason the event fires and I get an indexoutofrange exception as I believe that the information has not yet loaded when this fires.The e.Column property is set to that of the previous column which I clicked even though I have clicked nothing.
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Apr 1, 2010
VB GridView control will not allow code in the vb code file to access a data column that has its visible property set to false. When it is set to true, the data column can be accessed with no problem. Any suggestions as to how to correct this? I have looked through the documentation, text books, and I have not found anything that gave me any clue as to what the problem could be. I thought that the property was just applied to the column, not that it would remove the column from being accessible.
[Code]...
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Mar 21, 2011
I have a column in my GridView which pulls in an individual's name. Unfortunately, the name is contained in one column in the database - both first and last. I'd like to sort on the last name, not the first...is there a way for me to tell the GridView to sort based on a substring? [code]...
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Sep 19, 2011
I am binding a data set to a GridView in VB .net. I have some custom sorting setup, and want to display an icon next to the header if one of my 3 options is selected.
I've read a lot of methods in doing this, and I see Gridviews even have a ASC and DESC header style I can associate with the view. I have 2 problems with this, though:I am sorting a List with linq on Sort Trigger, then binding it to the datagrid.
The reason I do it this way, is I want to maintain multiple sort levels, ordering by 3 columns rather than 1.
Edit for clarity Specifically what I want to do is loop through the value of a GridView's Header text, see if it matches what I have saved in viewstate, and if so add an image for that header in particular. Something essentially like below, however headerRow.Cells(y).Text is always returning "", even when the header has text:
Sub gvPatronData_RowCreated(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
Dim savedSortDirection(), savedSortColumn() As String
Dim headerRow As GridViewRow = gvPatronData.HeaderRow
[code]....
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Jun 8, 2011
I am currently trying to sort on a GridView after it has been populated with records from a SQL Server Express database. I click on a column to sort it and I get the following error: "DataTable must be set prior to using DataView." The entirety of my code is as follows: <script runat="server" >
[Code]...
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Mar 30, 2011
I have a LINQ Query:
[Code]...
This works great and sorts on L_Name. But I am trying to allow the user to sort the gridview themselves so I am passing in the SortExpression as a string. But I don't know how to incorperate the SortExpression into the LINQ Query. I tried Order By c. & SortExpression but that did not work.
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Jul 25, 2011
I am trying to program my page in vb.net and asp.net so that when a user clicks on a column heading of a gridview, the data is sorted either in ascending or descending order. note that my data is coming from an SQL Server Express database. So far, I have done it so that the gridview can be sorted:
[Code]...
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Mar 25, 2010
I'm trying to sort records in the gridview right after a radio button is selected. My approach is with the dataview, but because the dataset variable doesn't survive a round trip to the server, I don't know how to make this happen.[code]
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Jan 31, 2012
I have a gridview in asp.net/vb and it is bound to a list - so there's no standard sorting available. I've found this jQuery plugin for sorting tables: [URL]. The plugin requires <thead> and <tbody>. The problem is, that my gridview only renders the <tbody>.
I've already tried
DataList.UseAccessibleHeader = True
DataList.HeaderRow.TableSection = TableRowSection.TableHeader
But this changes nothing.
My gridview markup:
<asp:GridView runat="server" CssClass="grid" ID="DataList" AutoGenerateColumns="False" AllowSorting="True" ClientIDMode ="Static">
<Columns>
<asp:BoundField HeaderText="SomeHeaderText" DataField="SomeDataField" />
<asp:BoundField HeaderText="SomeHeaderText" DataField="SomeDataField" DataFormatString="{0:dd.MM.yyyy}" />
[Code] .....
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Jan 7, 2010
I want display database value in datagridview 2 coloum ..how to may i bind the dataexmp:- Suppose in Database 100Dr,200Cr i want in datagrdview 1st coloum 100Dr & Second coloum 200Cr............
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Aug 2, 2010
I have a page which lists all the files in a particular folder (all PDFs), using a data-table and gridview. I'm currently sorting this table by the filename (by using a dataview), which isn't that helpful, and I want the gridview of files sorted by the file created or file modified date (as recorded in Windows). If that's not possible, a second option would be to extract the date from the file name string (no problem doing that), and sort the dataview/datatable or gridview based on that.
[Code]...
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Apr 15, 2012
I am reading an Excel file into VB.NET. There are 4 columns containing dollar figures of varying amounts. Here is what I need to do is identify the columns with the highest $ figure, the next highest, etc. and mark them so that .NET can identify them (e.g. col3 is highest so rank1 variable is "col3" and so on).So I am dealing with Excel Ojects which is new to me and sorting which is new to me. If it helps, here is how I am reading in the Excel file:
xlsWorkBook = xlsApp.Workbooks.Open(folders(f).ToString & "" & fileInFolder.ToString)
xlsWorkSheet = xlsWorkBook.Worksheets("Sheet1")
Dim ColumnNumber As Integer = xlsWorkSheet.Cells(1, StartColumn).Column
[code].....
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Sep 6, 2009
In my form I have several datagrids.
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Dec 20, 2009
is this possible To loop through the column one entrys and then rearrange by there values?
example all column one is date entrys
12-11-08
12-07-08
and so on and reshuffle the listview?
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May 26, 2012
how would you sort out two columns so when you click them, it either sorts the listed items in Ascending/Descending order. I have named Name column to colName and Mobile column to colMobile
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Oct 27, 2011
After Filling a DataTable in GridView's DataSource . A column with check box Type appears but it created as read only column and I can't enable it or make it editable... even i tried .readonly = false and still can't be edited
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Mar 21, 2012
I am trying to display a football league table in datagridview. my code gets that data for each column from ms access and displays it in datagridview. I want to sort rows according to the value of the "pts" column.I've tried using using BindingSource.Sort = "pts" but this has had no effect.
[Code]...
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Apr 15, 2009
I have a class for example:
Public Class Employee
Private mName As String
Private mSalary As Double
[Code].....
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Jul 5, 2011
Is it possible, out of the box, to sort a .NET DataGridView column using only the keyboard?I understand there is a SelectionMode property, but changing this merely allows me to select, using Shift+Space, an entire row or column, but this doesn't have the same effect as clicking the header with the mouse and causing a sort.The reason I ask is because I am working on accessibility issues and would like to avoid relying on the mouse.
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