59 lines
1.4 KiB
Plaintext
59 lines
1.4 KiB
Plaintext
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<!-- Inspired by bug #42246 -->
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<%@ Page Language="C#" %>
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<%@ Import Namespace="System" %>
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<%@ Import Namespace="System.Data" %>
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<script runat="server">
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void Page_Load (object s, EventArgs e)
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{
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if (IsPostBack) {
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txt.Text = ddl.SelectedItem.Value;
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return;
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}
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DataTable t = new DataTable ("t");
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t.Columns.Add (new DataColumn ("Symbol", typeof (string)));
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t.Columns.Add (new DataColumn ("Company", typeof (string)));
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t.Columns.Add (new DataColumn ("Price", typeof (double)));
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DataSet ds = new DataSet ("ds");
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ds.Tables.Add (t);
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AddStock (t, "MSFT", "Microsoft Corp.", 25.81);
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AddStock (t, "NOVL", "Novell Inc.", 6.17);
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AddStock (t, "GOOG", "Google", 300.95);
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ddl.DataSource = ds;
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ddl.DataTextField = "Company";
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ddl.DataBind ();
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}
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void AddStock (DataTable dt, string symbol, string co, double price)
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{
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DataRow dr = dt.NewRow ();
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dr [0] = symbol;
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dr [1] = co;
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dr [2] = price;
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dt.Rows.Add (dr);
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}
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</script>
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<html>
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<body>
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<form runat="server">
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<asp:dropdownlist appenddatabounditems="true" id="ddl" runat="server">
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<asp:ListItem Text="(Select a Ticker)" Value="" />
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</asp:dropdownlist>
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<asp:button id="lookup" Text="Lookup Ticker" runat="server" />
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<asp:requiredfieldvalidator ControlToValidate="ddl" ErrorMessage="Please select a ticker" runat="server" />
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<asp:label id="txt" runat="server" />
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</form>
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</body>
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</html>
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