我有一个Gridview控件，我用来绑定3个不同的数据表从数据库工作正常没有UpdatePanel但是当它来到更新面板时它只工作一次，当我点击任何按钮，再次，如果我点击另一个按钮button_Click执行事件，但我的Gridview没有显示新数据，只显示旧记录
我也使用此行代码UpdatePanel1.Update()没有用
这是我的代码
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<ul class="nav nav-tabs">
<li id="licommentAll" class="active" runat="server">
<asp:LinkButton ID="lnkCommentALL" runat="server" OnClick="lnkCommentALL_Click">
All
</asp:LinkButton>
</li>
<li id="licommentApproval" runat="server">
<asp:LinkButton ID="lnkCommentApproval" runat="server" OnClick="lnkCommentApproval_Click">
Approval
</asp:LinkButton>
</li>
<li id="licommentPending" runat="server">
<asp:LinkButton ID="lnkCommentPending" runat="server" OnClick="lnkCommentPending_Click">
Pending <asp:Label ID="lblPendingCount" CssClass="badge" runat="server"></asp:Label>
</asp:LinkButton>
</li>
<li id="licommentSpam" runat="server">
<asp:LinkButton ID="lnkCommentSpam" runat="server" OnClick="lnkCommentSpam_Click">
Spam
</asp:LinkButton>
</li>
</ul>
<div class="tab-content">
<div role="tabpanel" id="divCommentSubMenu" style="width:100%;">
<asp:GridView ID="GridComment" runat="server" AutoGenerateColumns="false">
<Columns>
<asp:TemplateField>
<HeaderTemplate>
<div class="row" style="padding:20px;">
<div class="col-xs-12 col-sm-6 col-md-6 col-lg-6">
<asp:CheckBox ID="chkParent" runat="server" />
<div class="btn-group btn-group-xs" role="group" aria-label="...">
<asp:Button ID="btnApprove" runat="server" CssClass="btn btn-primary" Text="Approve" OnClick="btnApprove_Click" />
<asp:Button ID="btnSpam" runat="server" CssClass="btn btn-primary" Text="Spam" OnClick="btnSpam_Click" />
<asp:Button ID="btnDelete" runat="server" CssClass="btn btn-primary" Text="Delete" OnClick="btnDelete_Click" />
</div>
</div>
<div class="col-xs-12 col-sm-6 col-md-6 col-lg-6">
<div class="dropdown" style="margin-top:10px; float:right;">
<button class="btn btn-default dropdown-toggle btn-xs" type="button" id="dropdownMenucommentdate" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
Search Comment
<span class="caret"></span>
</button>
<ul class="dropdown-menu" aria-labelledby="dropdownMenucommentdate">
<li>
<asp:LinkButton ID="lnkToday" runat="server">Today</asp:LinkButton>
</li>
<li>
<asp:LinkButton ID="lnkYesterday" runat="server">Yesterday</asp:LinkButton>
</li>
<li>
<asp:LinkButton ID="lnkThisWeek" runat="server">
This Week <asp:Label ID="lblThisWeek" runat="server"></asp:Label>
</asp:LinkButton>
</li>
<li>
<asp:LinkButton ID="lnkLastWeek" runat="server">
Last Week <asp:Label ID="lblLastWeek" runat="server"></asp:Label>
</asp:LinkButton>
</li>
<li role="separator" class="divider"></li>
<li>
<asp:LinkButton ID="lnkThisMonth" runat="server">
This Month <asp:Label ID="lblThisMonth" runat="server"></asp:Label>
</asp:LinkButton>
</li>
<li>
<asp:LinkButton ID="lnkLastMonth" runat="server">
Last Month <asp:Label ID="lblLastMonth" runat="server"></asp:Label>
</asp:LinkButton>
</li>
<li role="separator" class="divider"></li>
<li><a id="acr" href="javascript:void(0);">Custom Range</a></li>
<li id="licustomranger" style="display:none;">
<ul style="list-style-type:none; margin-left:-40px;">
<li>
<asp:TextBox ID="txtFrom" runat="server" CssClass="form-control input-sm" placeholder="From Date {YYYY-MM-DD}"></asp:TextBox>
</li>
<li>
<asp:TextBox ID="txtTo" runat="server" CssClass="form-control input-sm" placeholder="To Date {YYYY-MM-DD}"></asp:TextBox>
</li>
<li>
<asp:Button ID="btnCustomRange" runat="server" Text="Search" CssClass="btn btn-primary btn-xs" />
</li>
</ul>
</li>
</ul>
</div>
</div>
</div>
</HeaderTemplate>
<ItemTemplate>
<div class="row" style="padding:15px; margin-top:2px;">
<div class="col-xs-12 col-sm-12 col-md-12 col-lg-12">
<asp:Label ID="CommentID" runat="server" Visible="false" Text='<%# Eval("CommentID") %>'></asp:Label>
<asp:CheckBox ID="chkChild" runat="server" />
<asp:HyperLink ID="hpkPostTitle" runat="server" Text='<%# Eval("PostTitle") %>' NavigateUrl='<%# GetRouteUrl("RoutetoGeneralSite", new { postID = Eval("PostID").ToString(), title = UserFriendlyURL.SeoURL(Eval("PostTitle").ToString()) }) %>'></asp:HyperLink>
</div>
<div class="col-xs-12 col-sm-12 col-md-12 col-lg-12">
<table>
<tr>
<td rowspan="4" style="vertical-align:top;padding:5px;">
<asp:Image ID="CommentUserImage" runat="server" CssClass="img-rounded" Width="35px" Height="35px" ImageUrl='<%# GetRouteUrl("RoutetoProfilePicImage", new {userID=Eval("UserID").ToString(), username=Extension.Decrypt(Eval("Username").ToString()) }) %>' />
</td>
<td colspan="3" style="padding-left:10px;">
<font color="Blue"><strong><asp:Label ID="CommentUserFullName" runat="server" Text='<%# Eval("FullName") %>'></asp:Label></strong></font>
<span style="float:right;"><%# String.Format("{0:dddd, dd MMM yyyy}", Eval("CommentDate")) %> </span>
</td>
</tr>
<tr>
<td style="width:100%; padding-left:10px;">
<asp:Label ID="lblCommentMessage" runat="server" Text='<%# Eval("CommentMessage") %>'></asp:Label><br />
<a href="javascript:void(0);" onclick="showEdit(<%# Eval("CommentID") %>); return false;">Edit</a> <a href="javascript:void(0);" onclick="showReply(<%# Eval("commentID") %>); return false;">Reply</a><br />
<div id='divEdit<%# Eval("CommentID") %>' style="display:none;">
<asp:TextBox ID="txtEdit" runat="server" CssClass="form-control" TextMode="MultiLine" Text='<%# Eval("CommentMessage") %>'></asp:TextBox>
<asp:Button ID="btnGridViewSaveEdit" CssClass="btn btn-primary btn-xs" runat="server" Text="Save Edit" style="margin-top:3px;"/> <a class="btn btn-primary btn-xs" href="javascript:void(0);" onclick="CloseReplyEdit(<%# Eval("CommentID") %>); return false;">Close</a>
</div>
<div id='divReply<%# Eval("CommentID") %>' style="display:none;">
<asp:TextBox ID="txtReply" runat="server" CssClass="form-control" TextMode="MultiLine"></asp:TextBox>
<asp:Button ID="btnGridViewReply" runat="server" CssClass="btn btn-primary btn-xs" Text="Reply" style="margin-top:3px;"/> <a class="btn btn-primary btn-xs" href="javascript:void(0);" onclick="CloseReplyEdit(<%# Eval("CommentID") %>); return false;">Close</a>
</div>
</td>
</tr>
<tr>
<td style="padding:5px; width:100%;">
<asp:LinkButton ID="lnkGridViewApproval" runat="server" style="padding:0 5px; font-size:12px;">
<span class="glyphicon glyphicon-ok" aria-hidden="true"></span> Approve
</asp:LinkButton>
<asp:LinkButton ID="lnkGridViewSpam" runat="server" style="padding:0 5px; font-size:12px;">
<span class="glyphicon glyphicon-ban-circle" aria-hidden="true"></span> Spam
</asp:LinkButton>
<asp:LinkButton ID="LinkButton1" runat="server" style="padding:0 5px; font-size:12px;">
<span class="glyphicon glyphicon-trash" aria-hidden="true"></span> Delete
</asp:LinkButton>
</td>
</tr>
</table>
</div>
</div>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<HeaderStyle CssClass="gridHeader" />
</asp:GridView>
</div>
</div>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="lnkCommentALL" EventName="Click" />
<asp:AsyncPostBackTrigger ControlID="lnkCommentApproval" EventName="Click" />
<asp:AsyncPostBackTrigger ControlID="lnkCommentPending" EventName="Click" />
<asp:AsyncPostBackTrigger ControlID="lnkCommentSpam" EventName="Click" />
</Triggers>
</asp:UpdatePanel>
C＃编码：
private void BindGrid()
{
DataSet ds = _commentPresenter.ShowAllCommentByUserID(Session["uid"].ToString());
if (ds.Tables[0].Rows.Count > 0)
{
GridComment.DataSource = ds;
GridComment.DataBind();
//UpdatePanel1.Update();
}
else
{
GridComment.EmptyDataText = "No Comments to Show";
GridComment.DataBind();
//UpdatePanel1.Update();
}
}
protected void lnkCommentALL_Click(object sender, EventArgs e)
{
BindGrid();
licommentAll.Attributes.Add("class", "active");
licommentApproval.Attributes.Add("class", "");
licommentPending.Attributes.Add("class", "");
licommentSpam.Attributes.Add("class", "");
ScriptManager.RegisterStartupScript(this, GetType(), "Like", "var prm = Sys.WebForms.PageRequestManager.getInstance(); prm.add_endRequest(function() { BindJavascript(); Like(); }); ", true);
}
protected void lnkCommentApproval_Click(object sender, EventArgs e)
{
DataSet ds = _commentPresenter.ShowAllApprovalComment(Session["uid"].ToString());
if (ds.Tables[0].Rows.Count > 0)
{
GridComment.DataSource = ds;
GridComment.DataBind();
licommentAll.Attributes.Add("class", "");
licommentApproval.Attributes.Add("class", "active");
licommentPending.Attributes.Add("class", "");
licommentSpam.Attributes.Add("class", "");
}
else
{
GridComment.EmptyDataText = "No Comments to Show";
GridComment.DataBind();
licommentAll.Attributes.Add("class", "");
licommentApproval.Attributes.Add("class", "active");
licommentPending.Attributes.Add("class", "");
licommentSpam.Attributes.Add("class", "");
}
ScriptManager.RegisterStartupScript(this, GetType(), "Like", "var prm = Sys.WebForms.PageRequestManager.getInstance(); prm.add_endRequest(function() { BindJavascript(); Like(); }); ", true);
}
protected void lnkCommentPending_Click(object sender, EventArgs e)
{
DataSet ds = _commentPresenter.ShowAllPendingComment(Session["uid"].ToString());
if (ds.Tables[0].Rows.Count > 0)
{
GridComment.DataSource = ds;
GridComment.DataBind();
licommentAll.Attributes.Add("class", "");
licommentApproval.Attributes.Add("class", "");
licommentPending.Attributes.Add("class", "active");
licommentSpam.Attributes.Add("class", "");
}
else
{
GridComment.EmptyDataText = "No Comments to Show";
GridComment.DataBind();
licommentAll.Attributes.Add("class", "");
licommentApproval.Attributes.Add("class", "");
licommentPending.Attributes.Add("class", "active");
licommentSpam.Attributes.Add("class", "");
}
ScriptManager.RegisterStartupScript(this, GetType(), "Like", "var prm = Sys.WebForms.PageRequestManager.getInstance(); prm.add_endRequest(function() { BindJavascript(); Like(); }); ", true);
}
protected void lnkCommentSpam_Click(object sender, EventArgs e)
{
DataSet ds = _commentPresenter.ShowAllSpamComment(Session["uid"].ToString());
if (ds.Tables[0].Rows.Count > 0)
{
GridComment.DataSource = ds;
GridComment.DataBind();
licommentAll.Attributes.Add("class", "");
licommentApproval.Attributes.Add("class", "");
licommentPending.Attributes.Add("class", "");
licommentSpam.Attributes.Add("class", "active");
}
else
{
GridComment.EmptyDataText = "No Comments to Show";
GridComment.DataBind();
licommentAll.Attributes.Add("class", "");
licommentApproval.Attributes.Add("class", "");
licommentPending.Attributes.Add("class", "");
licommentSpam.Attributes.Add("class", "active");
}
ScriptManager.RegisterStartupScript(this, GetType(), "Like", "var prm = Sys.WebForms.PageRequestManager.getInstance(); prm.add_endRequest(function() { BindJavascript(); Like(); }); ", true);
}