Inserting Data Into Database Using SQL Server 2013 & Getting Error Incorrect Syntax Near The Keyword and

 Hello Everyone, From The Last Three I'm Trying To Insert Data Into Database Using C#, I Got Many Errors And Problems But Thanks To Mr. Google I Removed Them! But, Now I'm Encountered Into A Problem & Search A Lot To Get Rid From This Problem But All My Effort Went Into Rain!
Here Is The Code Of From On ASP .NET Page:
<form runat="server" id="details"> <asp:Panel runat="server"> <asp:Label runat="server" Text="Number:" /><asp:TextBox runat="server" ID="number" Text="3"/><br /> <asp:Label runat="server" Text="F Name:" /><asp:TextBox runat="server" ID="firstName" Text="red"/><br /> <asp:Label runat="server" Text="M Name:" /><asp:TextBox runat="server" ID="middleName" Text="a ...