How do I can provide functionality of a file upload control to button? I tried below code but on click of button file browser not showing.

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C#

protected void Button3_Click(object sender, EventArgs e)
{
    // Initializes a OpenFileDialog instance


    FileUpload fu = new FileUpload();
    string filename = Path.GetFileName(fu.FileName);
    fu.SaveAs(Server.MapPath("~/Excel/") + filename);
    MessageBox("Upload status: File uploaded!");

}

Posted 2-Feb-16 22:26pm

Member 10512842

Updated 3-Feb-16 0:06am

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Anisuzzaman Sumon 3-Feb-16 4:36am

what is your markup(.aspx) code?show up your markup code

Member 10512842 3-Feb-16 6:01am

<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">

<asp:Panel ID="PanelContainer" runat="server">

<asp:Button ID="ButtonUpload" runat="server" OnClick="ButtonUpload_Click" Text="Upload" />

<asp:Literal ID="LiteralMessage" runat="server" Visible="false" EnableViewState="false">File uploaded
<asp:HiddenField ID="filepath" runat="server" />


<asp:Button ID="Button1" runat="server" Height="21px" OnClick="Button1_Click" Text="Convert" />


<asp:TextBox ID="TextBox2" runat="server" Height="184px" TextMode="MultiLine" Width="365px">
<asp:Button ID="Button2" runat="server" Enabled="False" Height="21px" Text="Save As" />

Member 10512842 3-Feb-16 6:03am

Actually I have to do is
1) One Textbox(for showing uploaded files path) and one button(for doing fuctionality of file upload control)

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F-ES Sitecore · Answer 1 · 2016-02-02T22:42:00

You'd dynamically create the control like this

ASP.NET

<asp:Panel ID="PanelContainer" runat="server">

</asp:Panel>

<asp:Button ID="ButtonUpload" runat="server" OnClick="ButtonUpload_Click" Text="Upload" />

<asp:Literal ID="LiteralMessage" runat="server" Visible="false" EnableViewState="false"><p>File uploaded</p></asp:Literal>

code-behind

C#

protected void Page_Load(object sender, EventArgs e)
{
    FileUpload fu = new FileUpload();
    fu.ID = "MyFileUpload";
    PanelContainer.Controls.Add(fu);
}        

protected void ButtonUpload_Click(object sender, EventArgs e)
{
    FileUpload fu = PanelContainer.FindControl("MyFileUpload") as FileUpload;

    if (fu != null && fu.HasFile)
    {
        fu.SaveAs(Server.MapPath(string.Concat("~/app_data/", fu.FileName)));

        LiteralMessage.Visible = true;
    }
}