I want to sort my gridview binded to an object datasource fetching business objects. I have already implemented custom paging & now want to implement sorting. Just read this article but there is lot of concatenation going on there with the SQL Query.
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I have the columns pre-set and I set the Allow Sorting = True,
Now I don't know what code to put in my VB file under "GridView1_Sorting" event.
I have a auto column generated GridView in a page, I have a dynamically binded column in that gridview, when page loads then sorting option is available on all other columns except that dynamically created column.
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I'm coding a report page.In this page,there are two date fields for user to filter the date and the GridView is filled depending on these dates in the CodeBehind (When user click the button view).Now I want toimplement a paging/sorting feature for this GridView.I've researched and see there are default paging for GridView which is not very efficient (my report table may have thousands of records) and custom paging but this requires using ObjectDataSource (which I don't use).Thus anyone can recommend me some approaches that are best used in this situation?
View 1 RepliesCase : a templatefield Text Box created by class TemplateHandler and added to the composite
control Grid .how to bind it to the DataSource Object of the Grid Class ?
Moderators Note: THIS ISSUE IS BIG FOR ME AND EVEN IF POSSIBLE, GET THE REPLY FROM THE DESIGNER OF GRIDVIEW. I have been looking for him for long. I am really fed up with reviewing a good lot of web pages on how we can possibly customize the gridview to enable sorting and paging. So many sites have listed out a lot of information and so many guidances. But the problem is that one works out fine and the other is a burden. I really feel bad about being given the job of customizing this kind of a gridview which has no user friendly approach to it. Also, this control is rendered without the pager links inside the <tfoot> tag. I have tried the Pear Pager in php. It is that good and easy to use and compared to that, the gridview in asp.net is the worst ever control i have ever tried so far.
1. i can use the images to indicate the sorting direction
2. I can have the custom pager like
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<<Previous 1 2 3 .. 7 Next >>.
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When i click the next when i am viewing the page at 3 , the pager links should change as
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<<Previous 2 3 4 .. 7 Next >>
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Kindly look into this type of requirement and firstly tell me whether this is possible with the gridview control. I would like this request even to be escalated to the designers of the gridview control also, so that Microsoft comes out with a reply THAT WORKS and not the kind of stuff like surfing through a lot of links and pages and finally wasting a lot of days precious time and still breaking the head with this useless control. I have spent a lot of time in searching for a perfect way. Not writing a code that is non-standard. I am really serious b'cos I have spent weeks in customizing this control. If I dont get a solid reply atleast now, I am going to generate all the output by HTML content by custom coding.
After a little hard work I was finally able to bind jqgrid in asp.net, but now I am facing another problem that is I am not able to sort the data or use pagination in jqgrid. And it seems There is a post back every time I click on the grid headers or select the page drop down. My code is as follows:
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And web method is as follows:
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I have a gridview in which dtasource binded is a List which returns class type. If no records in list, I want to display 'No records found' in GridView.
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In else part, what code i have to write to get desired output?
This was a pretty disappointing moment - when databinding, using Eval("Contact.LastName") would work. It nicely evaluates the related Linq object's member LastName. If the "Contact" object is null, no error is thrown... instead the field is simply null.
However, the same does not hold for sorting - if there exists a null entry (this object does not have a Contact) then the LinqDataSource throws a NullReferenceException. This means that, if you ever have nulls on your foreign-key objects, you can't use sorting headers in the ListView.
This makes the feature moderately useless - I have to roll my own properties for every single field I'd ever want to sort on. That's insane.
here's a situation and I would appreciate your response.
I have programmatically created the Wizard control:
Page_Load(obj s, evargs e)
{
Wizard ClaimDetailWizard = new Wizard();
foreach(int item in selectedItems)
{
//create new step
//added custom control to new step
//add step to wizard
}
//added wizard to a placeholder on a page
}
Based on List I get from Session i added new steps to my wizard To each step I had added a custom control
Each custom control in tern contains another custom Gridview Control in it.
So here's the problem when the page loads for example for two steps. All is good Wizard does what it's supposed to do.
But when I try to use sorting or paging in that custom Gridview. Somehow it displays the gridview I should see in the next step of the wizard.
Also what I'm noticing through debugging. Is that when I press next in the wizard I go back to the original page where I do all of the code specified above, and it recreates the wizzard. But it goes to the next step. Is this the way wizard supposed to work? Just doesn't seem very efficient.
I am using Object Data Source to bind data in the gridview. I haveset the property AllowSorting=true. While running the application, Icould sort the data only in ascending order. Is there any way toachieve two way sorting in gridview ie. both ascending and descendingon successive clicks ?.
View 1 RepliesIn grid view we have option by default as sorting and paging. if i disabled those two textboxes by pro grammatically i need to get that feature.
View 2 RepliesI bind custom DataTable to DataGrid through ObjectDataSource, where i use SelectMethod and UpdateMethod. SelectMethod working great, but when I try to update row it's breaking by MissingMethodException. What should i do to fix this problem?
View 1 RepliesObjectDataSource - Custom Gridview Paging and Sorting?
View 2 RepliesAll of my columns are bound in the Gridview. On OnRowDataBound event, I am adding some custom styles like underlines and colors to the text of the columns. Sorting of data is working fine but I am losing my custom styles when I sort. I am using the generic sorting code for the GridView.
How I can keep my custom styles on sorting that I added during OnRowDataBound event.
I have Gridview control which bind data from LINQ datacontext object which use store procedure. sort the gridview using LINQ datacontext object which use store procedure.
View 3 RepliesI am having a gridview with an object datasource binded in the markup(aspx page).When page loads it directly works fine with all sorting and paging properties.However, i need to filter display on gridview so i have to change the datasource of the gridview on the code behindIt works fine.. i mean the filtering and displaying is good but paging and sorting doesnt work.
View 1 RepliesI have 4 gridviews on a page that get databound with a datatable from sql. So I have created the sort/paging events for each. These were working fine. However now they do not work.
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HTML Declaration:
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I am trying to sort and page a dataset/table.
Problem: it will sort and paging correctly but when after change a page, it will not display the corrected sorted order.
Protected Sub PFTGridView_PageIndexChanging(ByVal sender As Object, ByVal e As GridViewPageEventArgs) Handles PFTGridView.PageIndexChanging
Dim PFTObj As New PFT
Dim PFTDST As New Data.DataSet
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I want to do pagination in repeater control.
I am using repeater.Datasource = objectDataSource.
and objectdatasource is having generic list data.
When i try to cast objectdatasource to dataview ...i am getting exception saying "casting
Collections Generic List cannot be casted to Dataview".
Can anyone tell me easy way to do Repeater Pagination in the above mentioned case
I started learning LINQ, So i thought of just creating gridview with sorting and paging using objectdatasource using LINQ. So i got this link
[URL] which Brian Orrel tell us how to do using IQueryable Interface. but i have nearly 300 lines of stored procedure which joins nearly 20 tables. so i thought of creating a stored procedure and using that instead of IQuerytable.
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I have a GridView whose datasource is set programatically. The sorting is also handled in code via the OnSorting event of the GridView.Since I'm stuck in crappy dotnetnuke, I've had to change the doctype of the skin to XHTML Transitional so that the AjaxControlToolkit would work properly with IE.fter doing this, the sorting of this GridView stopped working... if I remove the doctype change file, it goes back to working again.I can tell that the event is firing, but it is now unable to find the underlying DataSource of the GridView to have something to sort. My OnSorting event follows; whenever it is fired, the "Data Source not Found" message is displayed.
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protected void gvGrads_Sorting(object sender, GridViewSortEventArgs e)
If I have the following ASP.NET code (it's not complete - obviously there's a lot missing, but none of it matters):
<asp:GridView>
<Columns>
<asp:TemplateField>
<ItemTemplate>
My Label: <asp:Label />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
My Text Box: <asp:TextBox />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
And if I have something like this in the CodeBehind:
Private MyListOfObjects As List(Of MyObject)
...
Public Class MyObject
Public MyTextBoxString as String
Public MyLabelString as String
End Class
How can I bind the GridView so that one row is equivalent to one item in my MyListOfObjects list, and so that the data will populate and persist across page loads or postbacks? I've never done custom databinding like this before. All the tutorials I've come across so far only talk about using GridViews directly with Database query results, and that's not what I need.
I have binded 2 fields in a gridview ("Type" and "TypeWho") which are pulled out of a SQL database... When both the binded fields display "Note", I only want to display "Note" once so that it doesn't display "Note Note" to the end user... there are other values which are stored under the fields: "Type" and "TypeWho" or I would just remove one of the fields altogether... below is code for my binding fields with in the gridview
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I am trying to return an object from a web service and having trouble with the sorting. See the code below where the Order By is a.Account_Number. I need to be able to replace that with a the dynamic value strSort that is being passed to the function.
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