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sir, i have a gridview in which 2 columns are there. (1)- course,(2)-Sem . both are show using checkbox in gridview.
i need that when i select a particular course then the color of sem checkbox are change. how can i do it.
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1 solution

Use jQuery:

JavaScript
$("#your_grid_id").on ("click", "input[type=checkbox]", function () {
if (this.checked)
    $(this).css("backgroud-color", "green");
else
    $(this).css("backgroud-color", "red");
});


The above code works like this:
Take your grid and to all checkboxes assign click handler. Click changes background colors to green and red depending on the checkstate.

You might need to tweak it a bit for your particular colors and other filters (you might want only particular checkboxes not all within the grid).

If you're doing server round-trip on checkbox click, you might simply do

C#
if (yourCheckbox.Checked)
    yourCheckbox.BackColor = System.Drawing.Color.Green;
else
    yourCheckbox.BackColor = System.Drawing.Color.Red;




If this helps, please take time to accept the solution. Thank you.
 
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TCS54321 18-Sep-14 8:51am    
there are 10 sem in 2nd column. i need that when i select a course only particular sem checkbox color will be change.

my gridview code is:-

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" Width="100%"
CssClass="EU_DataTable" HeaderStyle-HorizontalAlign="Center"
HeaderStyle-Font-Bold="True" HeaderStyle-Height="32px" Font-Size="10pt" >
<columns>


<asp:TemplateField Visible="False">
<itemtemplate>
<asp:Label ID="lblCourseid" runat="server" Text='<%# Bind("Courseid") %>'>



<asp:TemplateField HeaderText="Course/Sem">
<itemtemplate>
<asp:CheckBox ID="ChkIn" runat="server" AutoPostBack="true" OnCheckedChanged="Color"/>
<asp:Label ID="lblcourse" runat="server" Text='<%# Bind("Course") %>'>
<br />





<asp:TemplateField HeaderText="Sem" SortExpression="Sem">
<itemtemplate>
<asp:CheckBoxList ID="chkSem" runat="server" DataSourceID="SqlSem"
DataTextField="Serial" DataValueField="Semid" RepeatColumns="5" RepeatDirection="Horizontal">





<HeaderStyle BackColor="Gray" ForeColor="White" HorizontalAlign="Left" />
TCS54321 18-Sep-14 8:53am    
for example:- if i select course that name b.tech(csc) then only 1,3 and 6 sem checkbox color will be change
Sinisa Hajnal 18-Sep-14 9:45am    
Did you try my code? Is there a problem with it? I understand what you want, the code above should cover both client side and server side (depending on what's easier for you) - since you have AutoPostBack= true and onCheckedChanged, go to your click handler (Color) and copy my code (change the variable name of course)

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