Database

Msg 102, Level 15, State 1, Line 1<br />
Incorrect syntax near 'Pages'.

declare @ModuleSettings NVarChar(max) = N'<Article type=''Pages''><Ucl name=''~/UserControls/ModuleSettings/ArticleModuleSettings.ascx''></Ucl><Election>0</Election><IsPaging>False</IsPaging><PageSize>5</PageSize><PagingLocation>Top</PagingLocation><Title>توليد کنندگان مواد اوليه / Suppliers of raw materials</Title><ThumbNail location=''3''>True</ThumbNail><ContentTitle>True</ContentTitle><ContentAbbr>True</ContentAbbr><Icon address=''''>False</Icon><Category>429</Category><All><item align="right" visible="true" order="1" block="true" navigateUrl="~/Management/Modules/Details/">Title</item><item align="right" visible="true" order="2" block="true">Abbr</item><item align="left" visible="true" order="4" block="true">CreateDate</item><item align="right" visible="false" order="5" block="false">Content</item><item align="right" visible="false" order="6" block="false">Keyword</item><item align="right" visible="false" order="7" block="false">Category</item><item align="right" visible="false" order="8" block="false">File</item><item align="right" visible="false" order="9" block="false">Icon</item><item align="right" visible="false" order="10" block="false">writer</item><item align="right" visible="false" order="11" block="false">Source</item></All></Article>' 

declare @param nvarchar(max)= N'update [Management].[PageModules] set '
if 100 is not NULL
BEGIN
set @param = @param + '[AreaId]=''' + cast(100 as nvarchar(3)) + ''',' 
End
if @ModuleSettings is not NULL
BEGIN
set @param = @param + '[ModuleSettings]=''' + @ModuleSettings + ''',' 
END
if 0 is not NULL
BEGIN
set @param = @param + '[Election]=''' + cast(0 as nvarchar(3)) + ''',' 
End
if 'sdfg' is not NULL
BEGIN
set @param = @param + '[Title]=''' + 'sdfg' + ''',' 
End
if 418 is not NULL
BEGIN
set @param = @param + '[CategoryId]=''' + cast(418 as nvarchar(17)) + ''',' 
End
if NULL is not NULL
BEGIN
set @param = @param + '[DepartmentId]=''' + cast(NULL as nvarchar(9)) + ''',' 
End
if 38 is not NULL
BEGIN
set @param = @param + '[CultureId]=''' + cast(38 as nvarchar(5)) + ''',' 
End
if 15 is not NULL
BEGIN
set @param = @param + '[ModuleId]=''' + cast(15 as nvarchar(5)) + ''',' 
End
if 1 is not NULL
BEGIN
set @param = @param + '[PageId]=''' + cast(1 as nvarchar(9)) + ''',' 
End
set @param= substring(@param,0,len(@param))
set @param = @param + ' Where Id=''' + cast( 68 as nvarchar(17)) + ''' ' 

exec sp_executesql @param

"A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections.