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分贝结果我需要隐藏/显示根据分贝结果标签和文本框的文本框,我想是这样的,但它不工作时,情况应该是这样,如果数据库字段为空,该字段,则与该领域相关的标签应该隐藏(不可见),下面是我试过的代码:隐藏/取消隐藏标签,这取决于在asp.net
<asp:Label ID="lblBirth" Text="DOB:" runat="server" ViewStateMode="Disabled" CssClass="lbl" />
<asp:Label ID="DOB" runat="server" CssClass="lblResult" Visible='<%# Eval("Berth") == DBNull.Value %>'></asp:Label>
后面的代码:
protected void showDetails(int makeID)
{// get all the details of the selected caravan and populate the empty fields
DataTable dt = new DataTable();
DataTableReader dtr = caravans.GetCaravanDetailsByMakeID(makeID);
while (dtr.Read())
{
//spec
string value = dtr["Price"].ToString();
lblModel.Text = dtr["model"].ToString();
birthResult.Text = dtr["Berth"].ToString(); }}
我想隐藏也显示DOB的标签:,我怎样才能隐藏,取决于结果 –
'lblBirth.Visible = dtr [“泊位”]!= DBNull.Value; –