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Posted 14 Jul 2013

Gridview Sort with Attribute Property [Source Code]

, 21 Aug 2013
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Sorting GridView using attribute property of GridView
This is an old version of the currently published tip/trick.


Many developers who try to sort a GridView generally use the ViewState for maintaining the last position of the GridView. Here, I want to show you a new technique of doing this...

Here is my GridView code:

<asp:GridView ID="GridView1" 

runat="server" AllowSorting="true" 

        AutoGenerateColumns="False" onsorting="GridView1_Sorting" 

        CurrentSortField="employeeid" CurrentSortDirection="ASC" 

        onrowcreated="GridView1_RowCreated" AllowPaging="true" 

        CaptionAlign="Bottom" onpageindexchanging="GridView1_PageIndexChanging" 


        <asp:BoundField  DataField="EmployeeId" HeaderText="Last Name"  

              ItemStyle-Width="15%" SortExpression="EmployeeId" >
        <ItemStyle Width="15%"></ItemStyle>
        <asp:BoundField DataField="Name" 

        HeaderText="First Name"  ItemStyle-Width="15%" 

              SortExpression="Name"  >
             <ItemStyle Width="15%"></ItemStyle>
        <asp:BoundField DataField="gender" 

        HeaderText="Email" ItemStyle-Width="15%" >
            <ItemStyle Width="15%"></ItemStyle>
        <asp:TemplateField HeaderText="Change Password"  



            <asp:LinkButton ID="imgbtn1" 

            runat="server">change password</asp:LinkButton>

             <ItemStyle Width="15%"></ItemStyle>
        <asp:BoundField DataField="city" 

        HeaderText="Date created"  ItemStyle-Width="15%">
             <ItemStyle Width="15%"></ItemStyle>
        <PagerSettings Mode="NextPreviousFirstLast" />

And I sort using the attribute property of the GridView.

See here, through attribute, I am maintaining last sorted record. Suppose last I sort asc then asc and if I last sorted desc then desc. This is how it works:

private void GridView1_Sorting (GridView gridview, GridViewSortEventArgs e, 
         out SortDirection sortDirection, out string sortField)
    sortField = e.SortExpression;
    sortDirection = e.SortDirection;
    if (gridview.Attributes["CurrentSortField"] != null && 
         gridview.Attributes["CurrentSortDirection"] != null)
        if (sortField == gridview.Attributes["CurrentSortField"])
            if (gridview.Attributes["CurrentSortDirection"] == "ASC")
                sortDirection = SortDirection.Descending;
                sortDirection = SortDirection.Ascending;
        gridview.Attributes["CurrentSortField"] = sortField;
        gridview.Attributes["CurrentSortDirection"] = 
           (sortDirection == SortDirection.Ascending ? "ASC" : "DESC");

Now you will get the last sorted and filed easily and it generally shows that while developing, there is too much load on the page using the viewstate.

I am sure this will definitely help you. If you still did not get it, see the source code... If you like it, rate it.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Dholakiya Ankit
Web Developer
India India
No Biography provided

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GeneralMy vote of 2 Pin
ridoy26-Aug-13 5:28
memberridoy26-Aug-13 5:28 
GeneralRe: My vote of 2 Pin
dholakiya ankit26-Aug-13 18:27
memberdholakiya ankit26-Aug-13 18:27 
GeneralRe: My vote of 2 Pin
dholakiya ankit26-Aug-13 22:29
memberdholakiya ankit26-Aug-13 22:29 
GeneralRe: My vote of 2 Pin
ridoy27-Aug-13 2:15
memberridoy27-Aug-13 2:15 
GeneralRe: My vote of 2 Pin
dholakiya ankit27-Aug-13 2:38
memberdholakiya ankit27-Aug-13 2:38 
GeneralMy vote of 3 Pin
Manikandan Sekar21-Aug-13 23:11
memberManikandan Sekar21-Aug-13 23:11 
GeneralRe: My vote of 3 Pin
dholakiya ankit22-Aug-13 19:00
memberdholakiya ankit22-Aug-13 19:00 
QuestionVote of 5 Pin
Leslie K.15-Aug-13 11:27
memberLeslie K.15-Aug-13 11:27 
AnswerRe: Vote of 5 Pin
dholakiya ankit15-Aug-13 18:22
memberdholakiya ankit15-Aug-13 18:22 
Questiondemo Pin
dholakiya ankit13-Aug-13 19:49
memberdholakiya ankit13-Aug-13 19:49 

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