[英]Can't access asp.net control in aspx.cs file
In my aspx file I have : 在我的aspx文件中,我有:
<asp:GridView Width="100%" DataSourceID="LinqDataSource1" ID="GridView1" OnRowUpdating="GridView1_RowUpdating"
runat="server" AutoGenerateColumns="False"
AllowPaging="True" CssClass="gridclass" CellPadding="3"
AllowSorting="True" DataKeyNames="ID" >
<FooterStyle ForeColor="#000066" BackColor="White"></FooterStyle>
<PagerStyle ForeColor="#000066" HorizontalAlign="Left" BackColor="White"></PagerStyle>
<HeaderStyle ForeColor="White" Font-Bold="True" BackColor="Gray"></HeaderStyle>
<Columns>
<asp:CommandField ShowEditButton="True"></asp:CommandField>
<asp:CommandField ShowDeleteButton="true" />
<asp:BoundField HeaderText="ProductName" InsertVisible="False" DataField="Title">
<ItemStyle HorizontalAlign="Left"></ItemStyle>
</asp:BoundField>
<asp:TemplateField HeaderText="ProductImage">
<ItemStyle HorizontalAlign="Center"></ItemStyle>
<EditItemTemplate>
<asp:FileUpload ID="imageupload" runat="server" />
</EditItemTemplate>
<ItemTemplate>
<asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl="#">
<asp:Image ID="product_image" runat="server" ImageUrl='<%# DataBinder.Eval(Container, "DataItem.Path")%>' Height="20px"
Width="20px" />
</asp:HyperLink>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<SelectedRowStyle ForeColor="White" Font-Bold="True" BackColor="#669999"></SelectedRowStyle>
<RowStyle ForeColor="#000066"></RowStyle>
</asp:GridView>
and I want to access the result of <asp:FileUpload ID="imageupload" runat="server" />
in my aspx.cs file I can't access imageupload control to get the result . 并且我想访问aspx.cs文件中<asp:FileUpload ID="imageupload" runat="server" />
,我无法访问imageupload控件来获取结果。
您需要执行.FindControl("imageupload")
才能获得嵌套在GridView中的控件。
You can access the control in gridviewrowdatabound 您可以在gridviewrowdatabound中访问控件
protected void GridView1RowDataBound(object sender, GridViewRowEventArgs e)
{
var file = (FileUpload) e.Row.FindControl("imageupload");
}
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