评级控制不在asp.net2.0中使用 [英] Rating control not use in asp.net2.0
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问题描述
iam using Rating control in my asp.net(2.0) application but it is not executed one error has come but im not getting how will i solve that error here im paste my cs code
cs
cs
protected void Page_Load(object sender, EventArgs e)
{
con = new SqlConnection("Data Source=ADMIN\\SQLEXPRESS;Initial Catalog=Example; Integrated Security=true");
if (!IsPostBack)
{
rating();
}
}
protected void RatingControlChanged(object sender, AjaxControlToolkit.RatingEventArgs e)
{
con.Open();
cmd = new SqlCommand("insert into Rating_Details(Rate)values(@Rating)", con);
cmd.Parameters.AddWithValue("@Rating", ratingControl.CurrentRating);
cmd.ExecuteNonQuery();
con.Close();
rating();
Response.Write("thank you for ur rating");
}
protected void rating()
{
int total = 0;
DataTable dt = new DataTable();
con.Open();
SqlCommand cmd = new SqlCommand("Select Rate from Rating_Details", con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
da.Fill(dt);
if (dt.Rows.Count>0)//breakpoint not enter in if condition
{
for (int i = 0; i<dt.Rows.Count; i++)
{
total += Convert.ToInt32(dt.Rows[i][0].ToString());
}
int average = total / (dt.Rows.Count);
ratingControl.CurrentRating = average;
lbltxt.Text = dt.Rows.Count + "user(s) have rated this article";
}
}
im degab code但是在da.Fill（dt）之后;如果条件有任何解决方案，方法中的断点不进入
aspx代码
im degab code but after da.Fill(dt); breakpoint out in method it is not going in if condition any solution please
aspx code
<pre lang="xml"><body>
<form id="form1" runat="server">
<%--<ajax:ToolkitScriptManager ID="ScripManager1" runat="server"/>
--%><div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="pnlRating" runat="server">
<ContentTemplate>
<table width="35%">
<tr>
<td width="27%">
<b>Average Rating:</b>
</td>
<td>
<ajaxToolkit:Rating ID="ratingControl" CurrentRating="0" MaxRating="5" RatingAlign="Horizontal" AutoPostBack="true" OnChanged="RatingControlChanged" runat="server" StarCssClass="ratingStar" WaitingStarCssClass="ratingSaved" EmptyStarCssClass="ratingEmpty" FilledStarCssClass="ratingFilled" >
</ajaxToolkit:Rating>
<b> <asp:label ID="lbltxt" runat="server"/> </b>
</td>
</tr>
</table>
</ContentTemplate>
</asp:UpdatePanel>
</div>
</form>
</body>
css
css
<%@ Register
Assembly="AjaxControlToolkit"
Namespace="AjaxControlToolkit"
TagPrefix="ajaxToolkit" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>Ajax Rating Sample</title>
<style type="text/css">
.ratingStar
{
font-size: 0pt;
width: 12px;
height: 12px;
cursor: pointer;
background-repeat: no-repeat;
display: block;
}
.ratingEmpty
{
background-image: url(ratingStarEmpty.gif);
width:18px;
height:18px;
}
.ratingFilled
{
background-image: url(ratingStarFilled.gif);
width:18px;
height:18px;
}
.ratingSaved
{
background-image: url(ratingStarSaved.gif);
width:18px;
height:18px;
}
</style>
</head>
推荐答案
Hello Atul Rokade，
如你提到的那样控制是不是如果条件那么你知道这是评级表中可用的数据
Hello Atul Rokade,
as you mentioned that control is not going to if condition so do you know that is data available in rating table
我无法理解你想做什么，所以请详细解释你的问题比我将试着帮助你
i could not understand that what you do you want so please explain in detail what is your issue than i will try to help out you
点击这些链接或者通过你的完整代码aspx和.cs
http://imar.spaanjaars.com/410/building-a-simple-rating-control- for-aspnet-20 [ ^ ]
follow these link or past your complete code aspx and .cs
http://imar.spaanjaars.com/410/building-a-simple-rating-control-for-aspnet-20[^]
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