İlk ve en önemlisi, ben bir UpdatePanel KULLANMIYORUM - bu sık karşılaşılan bir sorun gibi görünüyor, ama ben bile bu sorunu googled önce bir ne olduğunu bilmiyordum. FileUpload: HasFile her zaman false
Bir DetailsView bir dosya yükleyin ve veritabanına dosya ekleme girişimi var. Sorun şu ki, HasFile her zaman yanlış oluyor! Yanlış yaptığım bir fikrin var mı?C#:
public partial class DocManager : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!(System.Convert.ToBoolean(Session["Admin"])))
Response.Redirect("Index.aspx");
}
protected void DetailsView1_ItemInserting(object sender, DetailsViewInsertEventArgs e)
{
FileUpload fu1 = (FileUpload) DetailsView1.FindControl("FileUpload1");
if (fu1 == null)
{
e.Cancel = true;
StatusLabel.Text = "Could not find file upload";
}
if (fu1.HasFile)
{
try
{
string filename = Path.GetFileName(fu1.FileName);
fu1.SaveAs(Server.MapPath("~/Docs/") + filename);
StatusLabel.Text = "Upload status: File uploaded!";
e.Values["FileName"] = filename;
}
catch (Exception ex)
{
StatusLabel.Text = "Upload status: The file could not be uploaded. The following error occured: " + ex.Message;
}
}
else
{
e.Cancel = true;
StatusLabel.Text = "No file uploaded";
return;
}
DropDownList dd1 = (DropDownList)DetailsView1.FindControl("DropDownList2");
DropDownList dd2 = (DropDownList)DetailsView1.FindControl("DropDownList4");
e.Values["Type"] = dd1.SelectedValue;
e.Values["MeetingID"] = dd2.SelectedValue;
}
protected void DetailsView1_ItemEditing(object sender, DetailsViewInsertEventArgs e)
{
FileUpload fu1 = (FileUpload)DetailsView1.FindControl("FileUpload2");
if (fu1 == null)
e.Cancel = true;
if (fu1.HasFile) {
try
{
string filename = Path.GetFileName(fu1.FileName);
fu1.SaveAs(Server.MapPath("~/Docs/") + filename);
StatusLabel.Text = "Upload status: File uploaded!";
e.Values["FileName"] = filename;
}
catch (Exception ex)
{
StatusLabel.Text = "Upload status: The file could not be uploaded. The following error occured: " + ex.Message;
}
}
else
e.Cancel = true;
DropDownList dd1 = (DropDownList)DetailsView1.FindControl("DropDownList1");
DropDownList dd2 = (DropDownList)DetailsView1.FindControl("DropDownList3");
e.Values["Type"] = dd1.SelectedValue;
e.Values["MeetingID"] = dd2.SelectedValue;
}
}
Pageload tek şey kullanıcı düzgün, başka bir şey daha önce çalışan edilmelidir kaydedilir emin olmak için bir çek.
bir şekilde kendisini:
<asp:DetailsView ID="DetailsView1" runat="server" Height="50px" Width="125px"
AutoGenerateRows="False" DataSourceID="Docs" DefaultMode="Insert"
OnItemInserting="DetailsView1_ItemInserting"
OnItemEditing="DetailsView1_ItemEditing"
>
<Fields>
<asp:BoundField DataField="Documents.Title" HeaderText="Title"
SortExpression="Documents.Title" />
<asp:TemplateField HeaderText="Type" SortExpression="Type">
<EditItemTemplate>
<asp:DropDownList ID="DropDownList1" runat="server">
<asp:ListItem Selected="True" Value="Presentation">Presentation</asp:ListItem>
<asp:ListItem Value="Handout">Handout</asp:ListItem>
<asp:ListItem Value="Minutes">Minutes</asp:ListItem>
<asp:ListItem Value="Agenda">Agenda</asp:ListItem>
<asp:ListItem Value="Other">Other</asp:ListItem>
</asp:DropDownList>
</EditItemTemplate>
<InsertItemTemplate>
<asp:DropDownList ID="DropDownList2" runat="server">
<asp:ListItem Selected="True" Value="Presentation">Presentation</asp:ListItem>
<asp:ListItem Value="Handout">Handout</asp:ListItem>
<asp:ListItem Value="Minutes">Minutes</asp:ListItem>
<asp:ListItem Value="Agenda">Agenda</asp:ListItem>
<asp:ListItem Value="Other">Other</asp:ListItem>
</asp:DropDownList>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label3" runat="server" Text='<%# Bind("Type") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="MeetingID" SortExpression="MeetingID">
<EditItemTemplate>
<asp:DropDownList ID="DropDownList3" runat="server" DataSourceID="Meetings"
DataTextField="Title" DataValueField="MeetingID">
</asp:DropDownList>
</EditItemTemplate>
<InsertItemTemplate>
<asp:DropDownList ID="DropDownList4" runat="server" DataSourceID="Meetings"
DataTextField="Title" DataValueField="MeetingID">
</asp:DropDownList>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("MeetingID") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="FileName" SortExpression="FileName">
<EditItemTemplate>
<asp:FileUpload ID="FileUpload2" runat="server" />
</EditItemTemplate>
<InsertItemTemplate>
<asp:FileUpload ID="FileUpload1" runat="server" />
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("FileName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:CommandField ShowEditButton="True" ShowInsertButton="True" />
</Fields>
</asp:DetailsView>
ETA: bütün formu: Ayrıca, yukarıda C# kodunun geri kalanından düzenlenebilir
<asp:Content ID="Content2" ContentPlaceHolderID="mainContent" Runat="Server">
<h1>Document Manager</h1>
<h2>Existing Documents</h2>
<asp:GridView ID="GridView1" runat="server" AllowSorting="True"
AutoGenerateColumns="False" DataSourceID="Docs"
OnRowDeleting="GridView1_RowDeleting"
DataKeyNames="DocID" BackColor="White" BorderColor="#E7E7FF"
BorderStyle="None" BorderWidth="1px" CellPadding="3" GridLines="Horizontal">
<AlternatingRowStyle BackColor="#F7F7F7" />
<Columns>
<asp:BoundField DataField="Documents.Title" HeaderText="Title"
SortExpression="Documents.Title" />
<asp:BoundField DataField="FileName" HeaderText="FileName"
SortExpression="FileName" />
<asp:BoundField DataField="Type" HeaderText="Type" SortExpression="Type" />
<asp:BoundField DataField="Meetings.Title" HeaderText="Meeting"
SortExpression="Meetings.Title" />
<asp:CommandField ShowDeleteButton="True" ShowSelectButton="True" />
<asp:HyperLinkField DataNavigateUrlFields="FileName" Text="Download" />
</Columns>
<FooterStyle BackColor="#B5C7DE" ForeColor="#4A3C8C" />
<HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#F7F7F7" />
<PagerStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" HorizontalAlign="Right" />
<RowStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" />
<SelectedRowStyle BackColor="#738A9C" Font-Bold="True" ForeColor="#F7F7F7" />
<SortedAscendingCellStyle BackColor="#F4F4FD" />
<SortedAscendingHeaderStyle BackColor="#5A4C9D" />
<SortedDescendingCellStyle BackColor="#D8D8F0" />
<SortedDescendingHeaderStyle BackColor="#3E3277" />
</asp:GridView>
<h2>Add New</h2>
<asp:DetailsView ID="DetailsView1" runat="server" Height="50px" Width="125px"
AutoGenerateRows="False" DataSourceID="Docs" DefaultMode="Insert"
OnItemInserting="DetailsView1_ItemInserting"
OnItemEditing="DetailsView1_ItemEditing"
>
<Fields>
<asp:BoundField DataField="Documents.Title" HeaderText="Title"
SortExpression="Documents.Title" />
<asp:TemplateField HeaderText="Type" SortExpression="Type">
<EditItemTemplate>
<asp:DropDownList ID="DropDownList1" runat="server">
<asp:ListItem Selected="True" Value="Presentation">Presentation</asp:ListItem>
<asp:ListItem Value="Handout">Handout</asp:ListItem>
<asp:ListItem Value="Minutes">Minutes</asp:ListItem>
<asp:ListItem Value="Agenda">Agenda</asp:ListItem>
<asp:ListItem Value="Other">Other</asp:ListItem>
</asp:DropDownList>
</EditItemTemplate>
<InsertItemTemplate>
<asp:DropDownList ID="DropDownList2" runat="server">
<asp:ListItem Selected="True" Value="Presentation">Presentation</asp:ListItem>
<asp:ListItem Value="Handout">Handout</asp:ListItem>
<asp:ListItem Value="Minutes">Minutes</asp:ListItem>
<asp:ListItem Value="Agenda">Agenda</asp:ListItem>
<asp:ListItem Value="Other">Other</asp:ListItem>
</asp:DropDownList>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label3" runat="server" Text='<%# Bind("Type") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="MeetingID" SortExpression="MeetingID">
<EditItemTemplate>
<asp:DropDownList ID="DropDownList3" runat="server" DataSourceID="Meetings"
DataTextField="Title" DataValueField="MeetingID">
</asp:DropDownList>
</EditItemTemplate>
<InsertItemTemplate>
<asp:DropDownList ID="DropDownList4" runat="server" DataSourceID="Meetings"
DataTextField="Title" DataValueField="MeetingID">
</asp:DropDownList>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("MeetingID") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="FileName" SortExpression="FileName">
<EditItemTemplate>
<asp:FileUpload ID="FileUpload2" runat="server" />
</EditItemTemplate>
<InsertItemTemplate>
<asp:FileUpload ID="FileUpload1" runat="server" />
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("FileName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:CommandField ShowEditButton="True" ShowInsertButton="True" />
</Fields>
</asp:DetailsView>
<asp:AccessDataSource ID="Docs" runat="server"
DataFile="~/App_Data/Database1.accdb"
DeleteCommand="DELETE FROM [Documents] WHERE [DocID] = ?"
InsertCommand="INSERT INTO [Documents] ([Title], [Type], [FileName], [MeetingID]) VALUES (@Title, @Type, @FileName, @MeetingID)"
SelectCommand="SELECT Documents.DocID, Documents.Title, Documents.FileName, Documents.Type, Meetings.Title, Documents.MeetingID FROM
(Documents LEFT OUTER JOIN Meetings ON Documents.MeetingID = Meetings.MeetingID)"
UpdateCommand= "UPDATE [Documents] SET [Title] = ?, [Type] = ?, [FileName] = ?, [MeetingID] = ? WHERE [DocID] = ?">
<DeleteParameters>
<asp:Parameter Name="DocID" Type="Int32" />
</DeleteParameters>
<InsertParameters>
<asp:Parameter Name="Documents.Title" Type="String" />
<asp:Parameter Name="Type" Type="String" />
<asp:Parameter Name="FileName" Type="String" />
<asp:Parameter Name="MeetingID" Type="Int32" />
</InsertParameters>
<SelectParameters>
<asp:SessionParameter Name="?" SessionField="UserID" />
</SelectParameters>
<UpdateParameters>
<asp:Parameter Name="Title" Type="String" />
<asp:Parameter Name="Type" Type="String" />
<asp:Parameter Name="FileName" Type="String" />
<asp:Parameter Name="MeetingID" Type="Int32" />
<asp:Parameter Name="DocID" Type="Int32" />
</UpdateParameters>
</asp:AccessDataSource>
<asp:Label ID="StatusLabel" runat="server" Text="Label"></asp:Label>
<asp:AccessDataSource ID="Meetings" runat="server"
DataFile="~/App_Data/Database1.accdb"
SelectCommand="SELECT [MeetingID], [Title] FROM [Meetings] WHERE ([AdminID] = ?)">
<SelectParameters>
<asp:SessionParameter Name="AdminID" SessionField="UserID" Type="Int32" />
</SelectParameters>
</asp:AccessDataSource>
, bu kadar uzun değildi Ana Sayfadaki Form Öğesi:
<body style="background-color: rgb(231, 231, 255);height:100%;margin:0px;padding:0px">
<form id="form1" runat="server">
ETA: Ben sorunu buldum. Bir dosya olarak boş bir metin dosyası kullanıyordum - ki bu da dosya yükleyiciyi dosya içermediğini düşünerek karıştırıyordu. Dosyaya bazı metinler ekleyerek mükemmel çalışır. yardım herkes için
teşekkürler!
Sorun olmamalı. Kodunuzu derinden gördüm ancak kod ile ilgili herhangi bir sorun göremiyorum. Tam form tasarımı gönderebilir ve sayfa kodunu tamamlayabilir misiniz? Bence sorun diğer taraf. –
+1, Stackoverflow'taki ilk sorusu olmasına rağmen, sorunuzu açıkça yazıp sorununuzu açıklıyorsunuz. –
Sayfadaki form öğesi nasıl görünüyor? –