datalist 点击事件取值,再传值问题,高手们帮忙看看代码
怎样取出当前点击图片地址?
目前代码,已经可以取到值, 但是是固定的, string picurl = ((ImageButton)(DataList1.Items[0].FindControl("ImageButton1"))).ImageUrl.ToString();
正确的应该怎样写,
或者有更好的方法?
类里的代码
protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
{
if (Session["username"] == null)
{
Response.Write("<script>alert('请登录后查看');history.go(-1);</script>");
Response.End();
}
else
{
string picurl = ((ImageButton)(DataList1.Items[0].FindControl("ImageButton1"))).ImageUrl.ToString();
SqlConnection con1 = new SqlConnection("server=*");
con1.Open();
SqlDataAdapter sd = new SqlDataAdapter("select * from upimage where picUrl='" + picurl + "'", con1);
DataSet ds1 = new DataSet();
sd.Fill(ds1);
string id = ds1.Tables[0].Rows[0]["id"].ToString();
Response.Redirect("uppic_viewxx.aspx?id=" + id);
}
}
前台控件代码
<asp:DataList ID="DataList1" runat="server" RepeatColumns="4"
RepeatDirection="Horizontal" UseAccessibleHeader="True" Width="100%">
<ItemTemplate>
<asp:ImageButton ID="ImageButton1"
runat="server" Height="110px" ImageUrl='<%# Eval("picUrl") %>' OnClick="ImageButton1_Click" Width="127px" />
<a href='<%# Eval("ID", "uppic_viewxx.aspx?id={0}") %>'>
</a> <br />
<asp:Label ID="lblTime" runat="server" Text='<%# Eval("picTime","{0:d}") %>' Width="89px"></asp:Label><br />
<table align="center" border="0" cellpadding="0" cellspacing="0" width="50">
<tr>
<td width="3">
<img height="20" src="images/picname_55.jpg" width="3" /></td>
<td align="center" background="images/picname_57.jpg" style="width: 74px">
<a href='<%# Eval("ID", "uppic_viewxx.aspx?id={0}") %>'>
<asp:Label ID="lblPicname" runat="server" CssClass="zcb12" Text='<%# Eval("picName") %>'
Width="87px"></asp:Label></a></td>
<td style="width: 27px">
<img height="20" src="images/picname_58.jpg" width="3" /></td>
</tr>
</table>
<br />
</ItemTemplate>
</asp:DataList>
[解决办法]
好好调试一下。绑定放到page_load里并且加上if(!ispostback){} 仔细点就能找到问题了。
[解决办法]
