La Detailsview:
<asp:DetailsView ID="DetailsView1" runat="server" AutoGenerateRows="False"
DataKeyNames="ID" DataSourceID="SqlDataSource1" DefaultMode="Insert"
Height="50px" Width="125px" CssClass="DataWebControlStyle"
oniteminserting="DetailsView1_ItemInserting"
ondatabound="DetailsView1_DataBound">
<CommandRowStyle CssClass="HeaderStyle2" Font-Bold="False"
HorizontalAlign="Center" />
<RowStyle Wrap="False" />
<FieldHeaderStyle Font-Bold="True" Wrap="False" />
<Fields>
<asp:BoundField DataField="ID" HeaderText="ID" InsertVisible="False"
ReadOnly="True" SortExpression="ID" Visible="False" />
<asp:TemplateField HeaderText="Nominativo" SortExpression="Nominativo">
<EditItemTemplate>
<asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("Nominativo") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" DataTextField='<%# Bind("Nominativo") %>' DataValueField="Nominativo" SelectedValue='<%# Bind("Nominativo") %>'
CssClass="DataWebControlStyle">
<asp:ListItem Selected="True">Seleziona la risorsa</asp:ListItem>
<asp:ListItem>Silecchia</asp:ListItem>
<asp:ListItem>Bartella</asp:ListItem>
<asp:ListItem>Grimaldi</asp:ListItem>
<asp:ListItem>Mella</asp:ListItem>
<asp:ListItem>Muollo</asp:ListItem>
<asp:ListItem>Benelli</asp:ListItem>
<asp:ListItem>Ravanelli</asp:ListItem>
</asp:DropDownList>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("Nominativo") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Data attività" SortExpression="DataAttivita">
<EditItemTemplate>
<asp:TextBox ID="TextBox3" runat="server" Text='<%# Bind("DataAttivita") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox ID="TextBox3" runat="server" Text='<%# Bind("DataAttivita") %>'></asp:TextBox>
<a href="javascript:OpenPopupPage('Calendar.aspx','<%=((TextBox)DetailsView1.FindControl("TextBox3")).ClientID %>','<%= Page.IsPostBack %>');"> <img alt="" src="images/icon-calendar.gif" /></a>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label3" runat="server" Text='<%# Bind("DataAttivita") %>'></asp:Label>
</ItemTemplate>
<ControlStyle Width="130px" />
</asp:TemplateField>
<asp:BoundField DataField="CausaleAttivita" HeaderText="Causale attività"
SortExpression="CausaleAttivita" />
<asp:TemplateField HeaderText="Descrizione" SortExpression="Descrizione">
<EditItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("Descrizione") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox ID="TextBox1" TextMode="MultiLine" runat="server" Text='<%# Bind("Descrizione") %>'></asp:TextBox>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("Descrizione") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="OraInizio" HeaderText="Ora inizio"
SortExpression="OraInizio" />
<asp:BoundField DataField="OraFine" HeaderText="Ora fine"
SortExpression="OraFine" />
<asp:TemplateField HeaderText="Durata Ore" SortExpression="DurataOre">
<ItemTemplate>
<asp:Label ID="Label14" runat="server" Text='<%# Bind("DurataOre") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="TextBox4" runat="server" Text='<%# Bind("DurataOre") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:Label ID="Label14" runat="server" Text='<%# Bind("DurataOre") %>'></asp:Label>
</InsertItemTemplate>
</asp:TemplateField>
<asp:CommandField ShowInsertButton="True" ShowCancelButton="false"
ButtonType="Button" >
<ControlStyle Font-Bold="True" />
</asp:CommandField>
</Fields>
<AlternatingRowStyle CssClass="AlternatingRowStyle" />
</asp:DetailsView>
L'EVENTO DELLA DETAILSVIEW:
protected void DetailsView1_ItemInserting(object sender, DetailsViewInsertEventArgs e)
{
string OraInizio = e.Values[4].ToString();
string OraFine = e.Values[5].ToString();
string Start = OraInizio.Substring(0, 2);
string End = OraFine.Substring(0, 2);
int A = Convert.ToInt32(Start);
int B = Convert.ToInt32(End);
int C = B - A;
string totaleOre = Convert.ToString(C);
if (e.Values[4] != null && e.Values[5] != null)
{
e.Values[6] = totaleOre;
}
}
