protected void btn_search_Click(object sender, EventArgs e) { if (DropDownList1.SelectedValue == "0" || DropDownList2.SelectedValue == "0") { Label3.Text = "You Must Select Any Values IN Dropdown..."; } else { x.conopen(); qry = "select qty from book_mster where book_id='" + DropDownList2.SelectedValue + "'"; dr = x.search(qry); if (dr.HasRows) { dr.Read(); i = Convert.ToInt32(dr[0].ToString()); } x.conclose(); x.conopen(); qry = "select count(*) from issue_mster where book_id='" + DropDownList2.SelectedValue + "'"; string q = x.sca(qry); //Label2.Text = q; int k = i - Convert.ToInt32(q); Label3.Text = " Available Book : " + k.ToString(); if (k.ToString() == "0") { btn_demand.Visible = true; } x.conclose(); } }
protected void Page_Load(object sender, EventArgs e) { x.conopen(); qry = "select count(*) from pub_mster"; lbl_pub.Text = x.sca(qry); qry = "select count(*) from author_mster"; lbl_authors.Text = x.sca(qry); qry = "select sum(qty) from book_mster"; lbl_books.Text = x.sca(qry); qry = "select count(*) from student_mster"; lbl_students.Text = x.sca(qry); x.conclose(); }