Data Controls :: Change Value Of GridView BoundField Column Based On Value From Another Column

May 7, 2015

I am using item template and eval function in the gridview to display the records. Can I add a coulmn which is not in the table?

I have to add some columns which is not in the table and assign the values from code behind to that particular column

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i am trying to give a session value in Gridview databound field by using

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How we can group data in bound field...

 1        1-1-2013    x           a 1        1-1-2013    x           b
1        1-1-2013    x            c 

  2        2-1-2013    y            a   2        2-1-2013    y       b
 2        2-1-2013    y            c

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                                             c

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Here is my code so far:         

aspx code:

<asp:GridView ID="gvFindDupe" runat="server" BackColor="White" BorderColor="#3366CC"
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<Columns>

[CODE]

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I have table in which there is data of Employee of Coming and Out of dateTime

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NULL NULL NULL NULL

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String s1 = "Select * From EmployeeLog Where EmployeeID='"+comboBox1.SelectedValue+"'";
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OleDbDataReader odr1;
ocon.Open();
TimeSpan DefTime = new TimeSpan(09, 15, 00);

[Code].....

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<asp:BoundField DataField="direction" HeaderText="direction" HtmlEncode="false" />

[Code]....

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[Code].....

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[Code]....

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