Bind DataList Item Field (Button Back Color) With SQL

Implement below method and change your color in any template, make sure your the same table binding the datalist then have a hidden column in the datalist which will have the color name, and then get the color from e.item[index] and then find the button control and set the back color of button. below is just an example how to get the intem event.
protected void DataList1_ItemCreated(object sender,
EventArgs e)
{
switch (e.Item.ItemType)
{
case ListItemType.Item :
e.Item.BackColor =
System.Drawing.Color.LightGoldenrodYellow;
break;
case ListItemType.AlternatingItem :
e.Item.BackColor = System.Drawing.Color.DarkGoldenrod;
break;
case ListItemType.SelectedItem :
e.Item.BackColor = System.Drawing.Color.Yellow;
break;
default :
// Add code here to handle the header, footer, and
// separator templates.
break;
}
}