Marks field validation
<p>I want numeric javascript validation for marks field. Marks entered should be out of 5 means user can enter upto 5 marks not more than that. marks may be in decimal like 4.25 after decimal there should be 2 digits can any one help me..</p>

<p>My text box is inside the data grid so on item data bound iam doing coding like
 If e.Item.ItemType = ListItemType.AlternatingItem Or e.Item.ItemType = ListItemType.Item Then</p>

<pre><code>        TxtMarks = CType(e.Item.FindControl("TxtMarks"), TextBox)

       TxtMarks.Attributes.Add("onkeypress", "javascript:return validateMark()")


    End If
</code></pre>

<p>but iam not getting proper code to validate my requirement.</p>
