protected void btnAdd_Click(object sender, EventArgs e)
{
string title = txtTitle.Text;
double price = Convert.ToDouble(txtPrice.Text);
double special = Convert.ToDouble(txtSpecial.Text);
Web webObj = new Web();
webObj.Title = title;
webObj.Price = price;
webObj.Special = special;
Response.Write("<script>alert('Book Added Successfully');</script>");
AdminGridView.DataSource = webObj.AddBookAdmin();
AdminGridView.DataBind();
}