仿校内回复 c# .net
来源：互联网 发布：mac invalid argument 编辑：程序博客网 时间：2024/04/16 19:21
方法是用datalist（dltCaxaMsg）嵌套datalist （dltChildCaxaMsg）
代码如下
网页：
<asp:DataList ID="dltCaxaMsg" Width="570px" runat="server" SelectedItemStyle-BackColor="AliceBlue"
ItemStyle-HorizontalAlign="Left" ItemStyle-Wrap="true" OnItemDataBound="dltCaxaMsg_ItemDataBound"
OnItemCommand="dltCaxaMsg_ItemCommand">
<ItemStyle HorizontalAlign="Left" Wrap="True" />
<SelectedItemStyle BackColor="AliceBlue" />
<ItemTemplate>
<table width="570px">
<tr>
<td width="50px" align="left" class="td4" valign="top">
<asp:ImageButton ID="btImg" runat="server" Width="50px" ImageUrl='<%# DataBinder.Eval(Container.DataItem,"PFile")%>' />
</td>
<td width="520px" class="td4">
<div style="height: 25px; padding-top: 7px; padding-left: 15px;">
<asp:Label ID="lbMsgId" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "MsgId")%>' Visible="false"></asp:Label>
<asp:Label ID="lbOpId" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "OpId")%>' Visible="false"></asp:Label>
<asp:LinkButton ID="btOp" ForeColor = "#527EC0" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "OpName")%>'></asp:LinkButton>
<asp:Label ID="lbSex" runat="server" ForeColor="#204885" Text='<%# DataBinder.Eval(Container.DataItem, "Sex")%>' Visible = "false"></asp:Label>
发表意见：
<strong>
<asp:Label ID="lbSub" runat="server" ForeColor="#204885" Text='<%# DataBinder.Eval(Container.DataItem, "MsgSub")%>'></asp:Label>
</strong>
<asp:Label ID="lbCDate" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "CDate")%>'></asp:Label>
</div>
<br />
<div>
<asp:Label ID="lbCon" ForeColor = "Black" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "MsgCon")%>'></asp:Label>
</div>
</td>
</tr>
<tr>
<td colspan="2">
<asp:UpdatePanel ID="up2" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<input id = "hidDisFlag" type = "hidden" value = "0" />
<table width="570px">
<tr>
<td width="78px">
</td>
<td width="20px">
</td>
<td width="482px">
<div runat = "server" visible = "true" id = "divReply">
<asp:LinkButton ID="btDisReply" Text="收起回复" runat="server"></asp:LinkButton>(
<asp:Label ID="lbReplyNum" ForeColor="Blue" runat="server" Text=""></asp:Label>)
</div>
</td>
</tr>
<tr>
<td colspan="3">
<table id="tbReply" runat="server" style ="display:block">
<tr>
<td width="98px">
</td>
<td width="482px">
<asp:DataList ID="dltChildCaxaMsg" Width="482px" runat="server" SelectedItemStyle-BackColor="White"
ItemStyle-HorizontalAlign="Left" ItemStyle-Wrap="true" OnItemDataBound="dltChildCaxaMsg_ItemDataBound"
ShowFooter = "false" ShowHeader = "false"
onitemcommand="dltChildCaxaMsg_ItemCommand">
<HeaderTemplate>
<table>
<tr>
<td width="50px" align="left" class="td8" valign="top" style="background-color: #F0FAFF;">
<asp:ImageButton ID="btHeaderImg" runat="server" Width="50px" ImageUrl="" />
</td>
<td width="452px" class="td8" style="background-color: #F0FAFF;">
<asp:Label ID="lbHeaderSub" runat="server" Text=""></asp:Label>
<asp:LinkButton ID="btHeaderOp" ForeColor = "#527EC0" runat="server" Text=""></asp:LinkButton>
<asp:Label ID="lbHeaderCDate" runat="server" Text=""></asp:Label><br />
<br />
<asp:Label ID="lbHeaderCon" ForeColor = "Black" runat="server" Text=""></asp:Label>
</td>
</tr>
</table>
<asp:LinkButton ID="btHeaderDisReply" Text="全部回复" runat="server" CommandName = "DisAll"></asp:LinkButton>(
<asp:Label ID="lbHeaderReplyNum" ForeColor="Blue" runat="server" Text=""></asp:Label>)
</HeaderTemplate>
<ItemTemplate>
<table>
<tr>
<td width="50px" align="left" class="td8" valign="top" style="background-color: #F0FAFF;">
<asp:ImageButton ID="btImg" runat="server" Width="50px" ImageUrl='<%# DataBinder.Eval(Container.DataItem,"[/"PFile/"]")%>' />
<asp:Label ID="lbSex" runat="server" ForeColor="#204885" Text='<%# DataBinder.Eval(Container.DataItem, "[/"Sex/"]")%>' Visible = "false"></asp:Label>
</td>
<td width="452px" class="td8" style="background-color: #F0FAFF;">
<asp:Label ID="lbSub" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "[/"MsgSub/"]")%>'></asp:Label>
<asp:LinkButton ID="btOp" ForeColor = "#527EC0" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "[/"OpName/"]")%>'></asp:LinkButton>
<asp:Label ID="lbOpId" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "[/"OpId/"]")%>' Visible="false"></asp:Label>
<asp:Label ID="lbCDate" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "[/"CDate/"]")%>'></asp:Label><br />
<br />
<asp:Label ID="lbCon" ForeColor = "Black" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "[/"MsgCon/"]")%>'></asp:Label>
</td>
</tr>
</table>
<br />
</ItemTemplate>
<FooterTemplate>
<table>
<tr>
<td width="50px" align="left" class="td8" valign="top" style="background-color: #F0FAFF;">
<asp:ImageButton ID="btFooterImg" runat="server" Width="50px" ImageUrl="" />
</td>
<td width="452px" class="td8" style="background-color: #F0FAFF;">
<asp:Label ID="lbFooterSub" runat="server" Text=""></asp:Label>
<asp:LinkButton ID="btFooterOp" ForeColor = "#527EC0" runat="server" Text=""></asp:LinkButton>
<asp:Label ID="lbFooterCDate" runat="server" Text=""></asp:Label><br />
<br />
<asp:Label ID="lbFooterCon" ForeColor = "Black" runat="server" Text=""></asp:Label>
</td>
</tr>
</table>
</FooterTemplate>
</asp:DataList>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="78px">
</td>
<td width="20px">
</td>
<td width="482px">
<asp:TextBox ID="txtReply" runat="server" Text="" CssClass="nonwatermarked" Width="470px"
Rows="3" TextMode="MultiLine"></asp:TextBox>
<cc1:TextBoxWatermarkExtender ID="TBWE" runat="server" TargetControlID="txtReply"
WatermarkText="回复" WatermarkCssClass="watermarked" />
<asp:Button ID="btReply" runat="server" Text="回复" CssClass="displaynone" CommandName="Reply" BackColor="#0099FF" />
</td>
</tr>
</table>
<br />
</ContentTemplate>
</asp:UpdatePanel>
</td>
</tr>
</table>
</ItemTemplate>
</asp:DataList>
代码页面：
protected void dltCaxaMsg_ItemDataBound(object sender, DataListItemEventArgs e)
{
if (e.Item.ItemIndex < 0)
return;
string sex = ((Label)e.Item.FindControl("lbSex")).Text;
ImageButton btImg = (ImageButton)e.Item.FindControl("btImg");
if (btImg.ImageUrl == "")
{
if(sex == "0")
btImg.ImageUrl = "Image/man.png";
else
btImg.ImageUrl = "Image/woman.png";
}
string opid = ((Label)e.Item.FindControl("lbOpId")).Text;
LinkButton btOp = (LinkButton)e.Item.FindControl("btOp");
btImg.Attributes.Add("onclick", "javascript:return toblog(" + opid + ");");
btOp.Attributes.Add("onclick", "javascript:return toblog(" + opid + ");");
TextBox txtReply = (TextBox)e.Item.FindControl("txtReply");
Button btReply = (Button)e.Item.FindControl("btReply");
HtmlTable tb = (HtmlTable)e.Item.FindControl("tbReply");
//tb.Attributes.CssStyle.Value = "display:block";
LinkButton btDisReply = (LinkButton)e.Item.FindControl("btDisReply");
//btDisReply.Text = "展开回复";
txtReply.Attributes.Add("onFocus", "javascript:return reply('" + btReply.ClientID + "');");
txtReply.Attributes.Add("onBlur", "javascript:return noreply('" + btReply.ClientID + "','" + tb.ClientID + "','" + txtReply.ClientID + "');");
btDisReply.Attributes.Add("onclick", "javascript:return disreply('" + btDisReply.ClientID + "','" + tb.ClientID + "');");
DataList list = (DataList)e.Item.FindControl("dltChildCaxaMsg");
list.DataSource = ((DataRowView)e.Item.DataItem).Row.GetChildRows("MyRel");
list.DataBind();
Label lbReplyNum = (Label)e.Item.FindControl("lbReplyNum");
int replynum = list.Items.Count;
lbReplyNum.Text = replynum.ToString();
if (replynum > 2)
{
list.ShowFooter = true;
list.ShowHeader = true;
ImageButton btHeaderImg = (ImageButton)list.Controls[0].FindControl("btHeaderImg");
Label lbHeaderSub = (Label)list.Controls[0].FindControl("lbHeaderSub");
LinkButton btHeaderOp = (LinkButton)list.Controls[0].FindControl("btHeaderOp");
Label lbHeaderCDate = (Label)list.Controls[0].FindControl("lbHeaderCDate");
Label lbHeaderCon = (Label)list.Controls[0].FindControl("lbHeaderCon");
Label lbHeaderReplyNum = (Label)list.Controls[0].FindControl("lbHeaderReplyNum");
btHeaderImg.ImageUrl = ((ImageButton)list.Items[0].FindControl("btImg")).ImageUrl;
lbHeaderSub.Text = ((Label)list.Items[0].FindControl("lbSub")).Text;
btHeaderOp.Text = ((LinkButton)list.Items[0].FindControl("btOp")).Text;
lbHeaderCDate.Text = ((Label)list.Items[0].FindControl("lbCDate")).Text;
lbHeaderCon.Text = ((Label)list.Items[0].FindControl("lbCon")).Text;
opid = ((Label)list.Items[0].FindControl("lbOpId")).Text;
btHeaderImg.Attributes.Add("onclick", "javascript:return toblog(" + opid + ");");
btHeaderOp.Attributes.Add("onclick", "javascript:return toblog(" + opid + ");");
lbHeaderReplyNum.Text = replynum.ToString();
int footerindex = list.Controls.Count - 1;
ImageButton btFooterImg = (ImageButton)list.Controls[footerindex].FindControl("btFooterImg");
Label lbFooterSub = (Label)list.Controls[footerindex].FindControl("lbFooterSub");
LinkButton btFooterOp = (LinkButton)list.Controls[footerindex].FindControl("btFooterOp");
Label lbFooterCDate = (Label)list.Controls[footerindex].FindControl("lbFooterCDate");
Label lbFooterCon = (Label)list.Controls[footerindex].FindControl("lbFooterCon");
btFooterImg.ImageUrl = ((ImageButton)list.Items[replynum - 1].FindControl("btImg")).ImageUrl;
lbFooterSub.Text = ((Label)list.Items[replynum - 1].FindControl("lbSub")).Text;
btFooterOp.Text = ((LinkButton)list.Items[replynum - 1].FindControl("btOp")).Text;
lbFooterCDate.Text = ((Label)list.Items[replynum - 1].FindControl("lbCDate")).Text;
lbFooterCon.Text = ((Label)list.Items[replynum - 1].FindControl("lbCon")).Text;
opid = ((Label)list.Items[replynum - 1].FindControl("lbOpId")).Text;
btFooterImg.Attributes.Add("onclick", "javascript:return toblog(" + opid + ");");
btFooterOp.Attributes.Add("onclick", "javascript:return toblog(" + opid + ");");
list.ItemStyle.CssClass = "displaynone";
HtmlGenericControl div = (HtmlGenericControl)e.Item.FindControl("divReply");
div.Visible = false;
}
}
protected void dltCaxaMsg_ItemCommand(object source, DataListCommandEventArgs e)
{
if (e.CommandName == "Reply")
{
LinkButton btDisReply = (LinkButton)e.Item.FindControl("btDisReply");
if (Session["OpId"] == null)
{
string url = HttpContext.Current.Request.Url.PathAndQuery;
SysOp.AddCaxaUrl(url);
System.Web.UI.ScriptManager.RegisterStartupScript(btDisReply, this.GetType(), "test", "alert('对不起,您还没有登录，请登录后再回复！');window.location.href ='../CaxaZy/register.aspx?flag=1&type=3';", true);
return;
}
string filepath = "";
TextBox txtReply = (TextBox)e.Item.FindControl("txtReply");
string msgcon = txtReply.Text.Trim();
if (String.IsNullOrEmpty(msgcon))
{
return;
}
if (msgcon.Length > 256)
{
CaxaTool.AjaxAlertShow(this.Page, "意见反馈内容文字不能超过256个字，请重新输入!");
return;
}
int opid = Convert.ToInt32(Session["OpId"]);
int msgid = Convert.ToInt32(((Label)e.Item.FindControl("lbMsgId")).Text);
CaxaMsg.AddCaxaMsg(opid, "", msgcon, filepath, msgid);
DataList list = (DataList)e.Item.FindControl("dltChildCaxaMsg");
list.ShowHeader = false;
list.ShowFooter = false;
list.ItemStyle.CssClass = "displayblock";
BindCaxaMsgByMsgId(list, msgid);
txtReply.Text = "";
Label lbReplyNum = (Label)e.Item.FindControl("lbReplyNum");
lbReplyNum.Text = list.Items.Count.ToString();
HtmlTable tb = (HtmlTable)e.Item.FindControl("tbReply");
tb.Attributes.CssStyle.Value = "display:block";
btDisReply.Text = "收起回复";
HtmlGenericControl div = (HtmlGenericControl)e.Item.FindControl("divReply");
div.Visible = true;
}
}
protected void dltChildCaxaMsg_ItemDataBound(object sender, DataListItemEventArgs e)
{
if (e.Item.ItemIndex < 0)
return;
//ImageButton btImg = (ImageButton)e.Item.FindControl("btImg");
//if (btImg.ImageUrl == "")
// btImg.ImageUrl = "Image/pic3.jpg";
string sex = ((Label)e.Item.FindControl("lbSex")).Text;
ImageButton btImg = (ImageButton)e.Item.FindControl("btImg");
if (btImg.ImageUrl == "")
{
if (sex == "0")
btImg.ImageUrl = "Image/man.png";
else
btImg.ImageUrl = "Image/woman.png";
}
string opid = ((Label)e.Item.FindControl("lbOpId")).Text;
LinkButton btOp = (LinkButton)e.Item.FindControl("btOp");
btImg.Attributes.Add("onclick", "javascript:return toblog(" + opid + ");");
btOp.Attributes.Add("onclick", "javascript:return toblog(" + opid + ");");
}
protected void dltChildCaxaMsg_ItemCommand(object source, DataListCommandEventArgs e)
{
if (e.CommandName == "DisAll")
{
DataList list = (DataList)e.Item.Parent;
list.ShowHeader = false;
list.ShowFooter = false;
list.ItemStyle.CssClass = "displayblock";
HtmlGenericControl div = (HtmlGenericControl)e.Item.Parent.Parent.FindControl("divReply");
//LinkButton btDisReply = (LinkButton)e.Item.Parent.Parent.FindControl("btDisReply");
//btDisReply.Visible = true;
//btDisReply.Text = "收起回复";
div.Visible = true;
}
}
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