📄 edit_category.aspx

📁 Bug管理系统
💻 ASPX
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<%@ Page language="C#"%>
<!--
Copyright 2002-2005 Corey Trager
Distributed under the terms of the GNU General Public License
-->
<!-- #include file = "inc.aspx" -->

<script language="C#" runat="server">

int id;
String sql;

DbUtil dbutil;
Security security;


///////////////////////////////////////////////////////////////////////
void Page_Load(Object sender, EventArgs e)
{

	Util.do_not_cache(Response);
	dbutil = new DbUtil();
	security = new Security();
	security.check_security(dbutil, Request, Response, Security.MUST_BE_ADMIN);

	title.InnerText = Util.get_setting("AppTitle","BugTracker.NET") + " - " 
		+ "edit category";

	msg.InnerText = "";

	string var = Request.QueryString["id"];
	if (var == null)
	{
		id = 0;
	}
	else
	{
		id = Convert.ToInt32(var);
	}

	if (!IsPostBack)
	{

		// add or edit?
		if (id == 0)
		{
			sub.Value = "Create";
		}
		else
		{
			sub.Value = "Update";

			// Get this entry's data from the db and fill in the form

			sql = @"select ct_name, ct_sort_seq from categories where ct_id = $1";
			sql = sql.Replace("$1", Convert.ToString(id));
			DataRow dr = dbutil.get_datarow(sql);

			// Fill in this form
			name.Value = (string) dr[0];
			sort_seq.Value = Convert.ToString((int) dr[1]);

		}
	}

}

void Page_Unload(Object sender, EventArgs e)
{
	if (dbutil != null) {dbutil.close();}
}

///////////////////////////////////////////////////////////////////////
Boolean validate()
{

	Boolean good = true;
	if (name.Value == "")
	{
		good = false;
		name_err.InnerText = "Description is required.";
	}
	else
	{
		name_err.InnerText = "";
	}

	if (sort_seq.Value == "")
	{
		good = false;
		sort_seq_err.InnerText = "Sort Sequence is required.";
	}
	else
	{
		sort_seq_err.InnerText = "";
	}

	if (!Util.is_int(sort_seq.Value))
	{
		good = false;
		sort_seq_err.InnerText = "Sort Sequence must be an integer.";
	}
	else
	{
		sort_seq_err.InnerText = "";
	}


	return good;
}

///////////////////////////////////////////////////////////////////////
void on_update (Object sender, EventArgs e)
{

	Boolean good = validate();

	if (good)
	{
		if (id == 0)  // insert new
		{
			sql = "insert into categories (ct_name, ct_sort_seq) values (N'$na', $ss)";
		}
		else // edit existing
		{

			sql = @"update categories set
				ct_name = N'$na',
				ct_sort_seq = $ss
				where ct_id = $id";

			sql = sql.Replace("$id", Convert.ToString(id));

		}
		sql = sql.Replace("$na", name.Value.Replace("'","''"));
		sql = sql.Replace("$ss", sort_seq.Value);
		dbutil.execute_nonquery(sql);
		Server.Transfer ("categories.aspx");

	}
	else
	{
		if (id == 0)  // insert new
		{
			msg.InnerText = "Category was not created.";
		}
		else // edit existing
		{
			msg.InnerText = "Category was not updated.";
		}

	}

}

</script>

<html>
<head>
<title id="title" runat="server">btnet edit category</title>
<link rel="StyleSheet" href="btnet.css" type="text/css">
</head>
<body>
<% security.write_menu(Response, "admin"); %>


<div class=align><table border=0><tr><td>
<a href=categories.aspx>back to categories</a>
<form class=frm runat="server">
	<table border=0>

	<tr>
	<td class=lbl>Description:</td>
	<td><input runat="server" type=text class=txt id="name" maxlength=30 size=30></td>
	<td runat="server" class=err id="name_err">&nbsp;</td>
	</tr>

	<tr>
	<td colspan=3>
	<span class=smallnote>Sort Sequence controls the sort order in the dropdowns.</span>
	</td>
	</tr>

	<tr>
	<td class=lbl>Sort Sequence:</td>
	<td><input runat="server" type=text class=txt id="sort_seq" maxlength=2 size=2></td>
	<td runat="server" class=err id="sort_seq_err">&nbsp;</td>
	</tr>

	<tr><td colspan=3 align=left>
	<span runat="server" class=err id="msg">&nbsp;</span>
	</td></tr>

	<tr>
	<td colspan=2 align=center>
	<input runat="server" class=btn type=submit id="sub" value="Create or Edit" OnServerClick="on_update">
	<td>&nbsp</td>
	</td>
	</tr>
	</td></tr></table>
</form>
</td></tr></table></div>
</body>
</html>
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