delete the row in gridview using button click event

Question

my source is

<div>

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false"

onrowdatabound="GridView1_RowDataBound"

onselectedindexchanged="GridView1_SelectedIndexChanged">

<Columns>

<asp:TemplateField HeaderText="Id">

<ItemTemplate>

<asp:Label ID="Label4" runat="server" Text="<%#bind('id') %>"></asp:Label>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="Name">

<ItemTemplate>

<asp:Label ID="Label5" runat="server" Text="<%#bind('Name') %>"></asp:Label>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="Status">

<ItemTemplate>

<asp:Label ID="Label6" runat="server" Text="<%#bind('Status') %>"></asp:Label>

</ItemTemplate>

</asp:TemplateField>

<asp:ButtonField Text="Select" Visible="false"/>

</Columns>

</asp:GridView>

<br />

<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Clear"

Width="168px" />

</div>

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my code is protected void Button1_Click(object sender, EventArgs e) { foreach (GridViewRow row in GridView1.Rows) { if (row.RowIndex == GridView1.SelectedIndex) { row.BackColor = ColorTranslator.FromHtml("#A1DCF2"); DataTable dt = (DataTable)ViewState["DataTable"]; dt.Rows.Remove(row); ViewState["DataTable"] = dt; GridView1.DataSource = dt; GridView1.DataBind(); row.ToolTip = string.Empty; }}}

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my error is Server Error in '/bramandam site' Application. Compilation Error Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. Compiler Error Message: CS1502: The best overloaded method match for 'System.Data.DataRowCollection.Remove(System.Data.DataRow)' has some invalid arguments Source Error: Line 78: row.BackColor = ColorTranslator.FromHtml("#A1DCF2"); Line 79: DataTable dt = (DataTable)ViewState["DataTable"]; Line 80: dt.Rows.Remove(row); Line 81: ViewState["DataTable"] = dt; Line 82: GridView1.DataSource = dt; Source File: d:\bramandam site\grd.aspx.cs Line: 80 Show Detailed Compiler Output: Show Complete Compilation Source: Version Information: Microsoft .NET Framework Version:2.0.50727.4984; ASP.NET Version:2.0.50727.4971