我将转发器连接到我的数据库,我想将其数据导出到xls文件中。 我能够做到这一点,除了因为我的repater包含一个操作行的控制按钮(删除),我的xls用这个按钮呈现。
<asp:Repeater ID="Repeater1" runat="server" EnableTheming="true"onitemcommand="Repeater1_ItemCommand" >
<HeaderTemplate>
<table class="datatable fullwidthpercent">
<tr>
<td>ID</td>
<td> Nom</td>
<td>Prénom</td>
<td>Email</td>
<td>Adresse</td>
<td>Ville</td>
<td>Tél</td>
</tr>
</HeaderTemplate>
<ItemTemplate>
<tr>
<td><%# Eval("id") %></td>
<td><%# Eval("nom") %></td>
<td><%# Eval("prenom") %></td>
<td><%# Eval("email") %></td>
<td><%# Eval("adresse") %></td>
<td><%# Eval("ville") %></td>
<td><%# Eval("tel") %></td>
<td><asp:Button ID="Btn1" runat="server" CommandArgument= ' <%# Eval("id") %> ' Text="Eliminer" OnClick = "buttonEliminer_click" ></asp:Button></td>
</tr>
</ItemTemplate>
<SeparatorTemplate>
<tr>
<td colspan="6"><hr /></td>
</tr>
</SeparatorTemplate>
<FooterTemplate>
</table>
</FooterTemplate>
</asp:Repeater>
</div>
代码背后:
protected void ButtonExporter_Click(object sender, EventArgs e)
{
Response.Clear();
Response.Buffer = true;
Response.AddHeader("content-disposition", "attachment;filename=Gagnants.xls");
Response.Charset = "";
Response.ContentType = "application/vnd.ms-excel";
System.IO.StringWriter stringWrite = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);
Repeater1.RenderControl(htmlWrite);
Response.Write("<table>");
Response.Write(stringWrite.ToString());
Response.Write("</table>");
Response.End();
}
在使用内部控件渲染重复器时覆盖表单应答问题的方法:
public override void VerifyRenderingInServerForm(Control control)
{
/* Confirms that an HtmlForm control is rendered for the specified ASP.NET
server control at run time. */
}
我在输出xls得到这个:
答案 0 :(得分:2)
基本上,您需要实现将按钮(Btn1
)可见性设置为false的代码。当服务器控件的可见性设置为false时,它不会在页面上呈现。
我建议更改以下代码:
首先,创建一个页面级变量,用于确定要渲染的内容。您希望将其设置为默认值true
,因为这是您的默认状态(渲染到屏幕)
private bool _IsRenderForScreen = true;
public property bool IsRenderForScreen {
get {
return this._IsRenderForScreen;
}
set {
this._IsRenderForScreen = value;
}
}
然后,在ButtonExporter_Click
方法中,将此变量设置为false:
this.IsRenderForScreen = false;
然后挂钩转发器的ItemDataBound
事件:
<asp:Repeater ID="Repeater1" runat="server" OnItemDataBound="Repeater1_ItemDataBound" ...
然后添加以下方法来处理事件:
public void Repeater1_ItemDataBound(Object sender, RepeaterItemEventArgs e)
{
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) {
if(!this.IsRenderForScreen) {
((Button)e.Item.FindControl("Btn1")).Visible = false;
}
}
}
HTH。如果有什么不清楚,请告诉我