[Solved] ASP.Net Error: converting data type nvarchar to datetime

I am inserting data and time

below error is coming

Error converting data type nvarchar to datetime.

Create Proc SP_Insert_TIme
    @A_Date datetime,
    @EmpID int
as begin
    inert into AttendenceLOG (EnrollNumber,A_Date) values (@EmpID,@A_Date)
end

 <td align="right" style="width: 50%;">Employee : </td>
    <td align="left" style="width: 50%">
        <asp:DropDownList ID="ddlEmployee" runat="server">
        </asp:DropDownList>
    </td>
</tr>
<tr style="width: 100%">
    <td align="right" style="width: 50%;">DateFrom : </td>
    <td align="left" style="width: 50%">
        <asp:TextBox ID="txtDateFrom" runat="server" TextMode="DateTimeLocal" Width="265px"></asp:TextBox>
    </td>
</tr>
<tr style="width: 100%">
    <td align="right" style="width: 50%;">&nbsp;</td>
    <td align="left" style="width: 50%">&nbsp;</td>
</tr>
<tr style="width: 100%">
    <td align="center" colspan="2">
        <asp:Button ID="Save" runat="server" OnClick="btnSearch_Click" Text="Search" />
    </td>

protected void btnSearch_Click(object sender, EventArgs e)
{
    SqlCommand cmd = new SqlCommand("SP_Insert_TIme", con);
    cmd.CommandType = CommandType.StoredProcedure;
    cmd.Parameters.AddWithValue("@EmpID", ddlEmployee.SelectedValue);
    cmd.Parameters.AddWithValue("@A_Date", txtDateFrom.Text.ToString());
    // cmd.Parameters.AddWithValue("@IPAddress", lblIP.Text);
    //  cmd.Parameters.AddWithValue("@DDate", DateTime.Now);
    //  cmd.Parameters.AddWithValue("@D_Time", DateTime.Now.ToString("hh:mm"));
    con.Open();
    cmd.ExecuteNonQuery();

    con.Close();
    // lbmsg.Text = "Item Save Successfully";
    //TextBox1.Text = string.Empty;
    //TextBox4.Text = string.Empty;
}