Asp.NET not updating new data

int result = SqlHelper.ExecuteNonQuery(SqlHelper.CreateCommand("UpdateArticle", CommandType.StoredProcedure,
new SqlParameter("@ID", long.Parse(Request.QueryString["ArticleID"])),
new SqlParameter("@CategoryTitle",                                                                           this.Category.SelectedItem.Text),
new SqlParameter("@Title", this.ArticleTitle.Text),
new SqlParameter("@Summary", this.ArticleSummary.Text),
new SqlParameter("@UserName", Context.User.Identity.Name),
new SqlParameter("@IsTmb", this.Tmb.Checked),
new SqlParameter("@IsDailty", this.Daily.Checked),
new SqlParameter("@TmbPhotoID", long.Parse(TmbPhotoID.Text)),
new SqlParameter("@Body", this.Editor.Text)
                                      ));
        this.InfoLabel.Text = result == 1 ? "Update successfully" : "Failed";

<div class="InsertItemContainer">
             <div>
                 <label for="Category">Category:</label>
                 <asp:DropDownList runat="server" ID="Category"></asp:DropDownList>
             </div>
             <div>
                 <label for="ArticleTitle" style="margin-left: 32px;">Title:</label>
                 <asp:TextBox runat="server" ID="ArticleTitle" Style="width: 60%;" />
                 <asp:RequiredFieldValidator runat="server" ID="TitleValidator" ControlToValidate="ArticleTitle" ErrorMessage="Its Needed!!"></asp:RequiredFieldValidator>
             </div>
             <div>
                 <label for="ArticleSummary" style="margin-left: 32px;">Summary:</label><asp:TextBox runat="server" ID="ArticleSummary" TextMode="MultiLine" Style="vertical-align: middle; width: 60%; resize: none;" />
                 <asp:RequiredFieldValidator runat="server" ID="SummaryValidator" ControlToValidate="ArticleSummary" ErrorMessage="Its Needed!!"></asp:RequiredFieldValidator>
             </div>

         </div>
         <CKEditor:CKEditorControl  runat="server" ID="Editor"></CKEditor:CKEditorControl>
         <asp:RequiredFieldValidator runat="server" ID="EditorValidator" ControlToValidate="Editor" ErrorMessage="Its needed"></asp:RequiredFieldValidator>

         <div style="direction: rtl;">
             <asp:CheckBox runat="server" ID="Daily" Text="DailyITems" />
             <asp:CheckBox runat="server" ID="Tmb" Text="Mosaic" />
         </div>

         <asp:Button runat="server" ID="Update" Text="Update" OnClick="Update_OnClick" CausesValidation="False" />
         <asp:TextBox runat="server" ID="TmbPhotoID" placeHolder="TmbPhoto Id here" TextMode="Number"></asp:TextBox>

USE [WebServices]
GO
/****** Object:  StoredProcedure [dbo].[UpdateArticle]    Script Date: 9/7/2014 5:11:14 PM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER	Procedure	[dbo].[UpdateArticle]
@ID						BigInt,
@CategoryTitle			nVarChar(300),
@UserName				nVarChar(300),
@Title					nVarChar(600),
@IsTmb					bit,
@IsDaily				bit,
@Summary				nVarChar(Max),
@Body					nVarChar(Max),
@TmbPhotoID				BigInt
As
Declare		@CategoryID	as	BigInt
Declare		@UserID		as	UniqueIdentifier	

Select	@UserID	=	
	(
		Select	UserID	from	aspnet_Users	Where	UserName	=	@UserName
	)
	
	Select	@CategoryID	=	
	(
		Select	ID	From	Category	Where	Category.Title	=	@CategoryTitle
	)
	
	begin try
	Update	Article
		Set		CategoryID = @CategoryID,
				UserID =	@UserID,
				IsTmb = @IsTmb,
				IsDaily = @IsDaily,
				Body = @Body,
				Title = @Title,
				Summary = @Summary,
				TmbPhotoID = @TmbPhotoID

				Where	ID	=	@ID
				return 1
	end try
	begin catch
		return 0
	end catch