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Manoj Kumar
155
Web Data Grid Column back Color Change
posted

Dear Sir, 

         I have totally 25 Columns in a WebDataGrid, here i need to change the back color of the Particular Columns 

for example,

Column 2 to Column 7  in Yellow Color Back Ground

Column 8 to Column 13 in blue Color background 

Column 14 to Column 19 in Grey Color BackGround

Column 20 to Column 25 in Alice Blue  backGround

I already note the EditingCore  in the Grid Controls but it was not reference in the parental Control of web.ui.gridcontrols.....

Kindly Help me....

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  • 16310
    Verified Answer
    Offline posted

    Hello Kumar,

    I suggest that you do this on the client using the Initialize event of the grid. You can get all <td> elements that the column consists of using jQuery and apply them inline style as follows:

    Code Snippet
    1. <script type="text/javascript" id="igClientScript">
    2. function ApplyStyle(sender, eventArgs)
    3.     {
    4.         var i;
    5.         for (i = 2; i < 8; i++) {
    6.             $("tr>td:nth-child(" + i + ")").css("background-color", "yellow");
    7.         }
    8.         for (i = 8; i < 14; i++) {
    9.             $("tr>td:nth-child(" + i + ")").css("background-color", "lightblue");
    10.         }
    11.         for (i = 14; i < 20; i++) {
    12.             $("tr>td:nth-child(" + i + ")").css("background-color", "grey");
    13.         }
    14.         for (i = 20; i < 25; i++) {
    15.             $("tr>td:nth-child(" + i + ")").css("background-color", "lightblue");
    16.         }
    17.     }
    18. </script>
    19.  
    20. <ig:WebDataGrid ID="WebDataGrid1" runat="server" AutoGenerateColumns="true">
    21.     <ClientEvents Initialize="ApplyStyle" />
    22.     ...

    On the server you can get the columns you need and add css class like this:

    Code Snippet
    1. for (int i = 2; i < 8; i++)
    2. {
    3.     WebDataGrid1.Columns[i].CssClass = "yellow";
    4. }

    However the styles you add in this classes will be overwritten by the default ones and in order to work you will need to specify them as !important:

    .yellow {

    background-color: yellow !important;

    }

    , which is not a recommended approach.

    I prepared a sample demonstrating both scenarios (My grid has less columns). Please let me know if you have any further questions on the matter.

    WebDataGrid_ChangeBackground.zip
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