📄 feedback.aspx
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<%@ Page Language="C#" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Data" %>
<html>
<head>
<title>User Feedback</title>
<script runat="server">
void Page_Load()
{
if(!IsPostBack)
{
try
{
Hashtable channel = HashFile.ReadHashtableFromFile(Server.MapPath("channel.txt"));
DataTable dt = new DataTable();
DataRow dr;
dt.Columns.Add(new DataColumn("Value", typeof(Int32)));
dt.Columns.Add(new DataColumn("Text", typeof(string)));
foreach(object s in channel.Keys)
{
dr = dt.NewRow();
dr["Value"] = int.Parse((string)s);
dr["Text"] = (string)channel[(string)s];
dt.Rows.Add(dr);
}
Favorite.DataSource = dt;
Favorite.DataTextField = "Text";
Favorite.DataValueField = "Value";
Favorite.DataBind();
Dislike.DataSource = dt;
Dislike.DataTextField = "Text";
Dislike.DataValueField = "Value";
Dislike.DataBind();
}
catch(Exception e)
{
Response.Write(e.ToString());
}
}
}
void OnSubmit(object sender, EventArgs args)
{
StreamWriter writer = null;
try
{
//Record the guest information and suggestion.
writer = File.AppendText(Server.MapPath("feedback.txt"));
writer.WriteLine(Age.Text);
writer.WriteLine(Income.SelectedItem.Value);
writer.WriteLine(Career.SelectedItem.Value);
writer.WriteLine(Suggestion.Text.Replace("\r\n", "<br/>"));
writer.Close();
// Count the guest' score
Hashtable score = HashFile.ReadHashtableFromFile(Server.MapPath("score.txt"));
foreach(ListItem item in Favorite.Items)
{
if(item.Selected == true)
{
if( score[item.Value] == null )
score[item.Value] = "1";
else
score[item.Value]
= (int.Parse((string)score[item.Value]) + 1).ToString();
}
}
foreach(ListItem item in Dislike.Items)
{
if(item.Selected == true)
{
if( score[item.Value] == null )
score[item.Value] = "-1";
else
score[item.Value]
= (int.Parse((string)score[item.Value]) - 1).ToString();
}
}
HashFile.WriteHashtableToFile(score,Server.MapPath("score.txt"));
Response.Redirect("result.aspx");
}
catch(Exception e)
{
Response.Write(e.ToString());
}
finally
{
if(writer != null)
writer.Close();
}
}
</script>
</head>
<body>
<form id="form1" method="post" runat="server">
<h3>用户调查表</h3>
<h4>用户情况</h4>
年龄：
<asp:TextBox id="Age" runat="server" /><br/>
收入：
<asp:DropDownList id="Income" runat="server">
<asp:ListItem value="<1000" Text="<1000" />
<asp:ListItem value="1000-3000" Text="1000-3000" />
<asp:ListItem value="3000-8000" Text="1000-8000" />
<asp:ListItem value=">8000" Text=">8000" />
</asp:DropDownList><br/>
职业：
<asp:RadioButtonList id="Career" RepeatDirection="Horizontal"
RepeatLayout="Flow" runat="server">
<asp:ListItem value="Employee" Text="公司职员" />
<asp:ListItem value="Student" Text="学生" />
<asp:ListItem value="Officer" Text="政府人员" />
<asp:ListItem value="Misc" Text="其他" Selected="true"/>
</asp:RadioButtonList>
<h4>栏目调查</h4>
你喜爱的栏目(在后面打勾)：
<asp:CheckBoxList id="Favorite" RepeatDirection="Horizontal"
runat="server" />
你喜爱的栏目(在后面打勾)：
<asp:CheckBoxList id="Dislike" RepeatDirection="Horizontal"
runat="server" />
<h4>用户意见</h4>
<asp:TextBox id="Suggestion" TextMode="MultiLine" runat="server"
Columns="60" Rows="5" MaxLength="256" />
<asp:Button id="Submit" Text="提交表单" runat="server"
onClick="OnSubmit" />
<input type="reset" Value="重新填写" />
</form>
</body>
</html>
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