Print @SQLCol

Note:
COALESCE() : This function returns single value of collect all the values with user defined format. Here for each records i used ‘,’ but you can use anything you want for seperation. This is very good function provided by SQL server.

create procedure getAllTablesRows
As
Begin
DECLARE @TableName sysname ,
@SQL nvarchar(max),
@SQLCol nvarchar(max),
@num int

IF OBJECT_ID(‘#Temp’) IS NOT NULL
drop table #Temp

create TABLE #Temp

( TableName nvarchar(max) NULL DEFAULT(”),
ColumnCount nvarchar(max) NULL DEFAULT(”),
CreatedBY nvarchar(max) NULL DEFAULT(”),
CreatedByName nvarchar(max) NULL DEFAULT(”),
CreatedOn nvarchar(max) NULL DEFAULT(”),
ModifiedBy nvarchar(max) NULL DEFAULT(”),
ModifiedOn nvarchar(max) NULL DEFAULT(”)
)

–set @SQL = ‘insert into #Temp ‘
DECLARE tables_cursor CURSOR FAST_FORWARD
FOR
SELECT so.name from
sysobjects so
where so.xtype =’U’

order by so.name

OPEN tables_cursor

FETCH NEXT FROM tables_cursor INTO @TableName

WHILE @@FETCH_STATUS = 0
BEGIN

select @num=count(TABLE_NAME) FROM information_schema.columns sc
where sc.COLUMN_NAME like ‘%ColumnName%’ and sc.TABLE_NAME = @TableName
group by TABLE_NAME

IF @num > 0
Begin
set @SQL = ‘ SELECT Top 5 ”’ + @TableName + ”’as TableName, ‘ + convert (nvarchar(10), @num ) + ‘ As ColumnCount ‘
set @SQLCol = ”
select @SQLCol = COALESCE(@SQLCol+’,',”)+ sc.COLUMN_NAME FROM information_schema.columns sc
where sc.COLUMN_NAME like ‘%ColumnName%’ and sc.TABLE_NAME = @TableName
order by sc.COLUMN_NAME asc

if @num=1
Begin
set @SQLCol = @SQLCol + ‘,NULL,NULL,NULL,NULL’
End
else if @num=2
Begin
set @SQLCol = @SQLCol + ‘,NULL,NULL,NULL’
End
else if @num=3
Begin
set @SQLCol = @SQLCol + ‘,NULL,NULL’
End
else if @num=4
Begin
set @SQLCol = @SQLCol + ‘,NULL’
End

set @SQL = ‘insert into #Temp ‘+ @SQL + @SQLCol + ‘ FROM [' + @TableName + '] ‘
exec @SQL
set @num=0

End

FETCH NEXT FROM tables_cursor INTO @TableName
END

CLOSE tables_cursor
DEALLOCATE tables_cursor

select * from #Temp

End

dsEmptyDatasetSP.Tables.Add(makeTable1)

dsEmptyDatasetSP.Tables.Add(makeTable)

 dtOriginalDataTable = dsEmptyDatasetSP.Tables(0).Copy  ‘copy into other table 

 dsEmptyDatasetSP.Tables(0).Merge(dsEmptyDatasetSP.Tables(1).Copy,  True)‘copying one datatable into some specific index table with dataset  

End Sub

Dim dsEmptyDatasetSP As New DataSet  

Dim dtOriginalDataTable As DataTable   

 Private Function makeTable() As DataTable  

 Dim result As New DataTable  

 For i As Integer = 0 To 1  

Dim dc As New DataColumn

dc.ColumnName =“Col”& i.ToString

dc.DataType =GetType(Integer)

Next

 For i As Integer = 0 To 5  

Dim dr As DataRow = result.NewRow

 Next 

Return  result  

End Function

 Dim dc As New DataColumn

dc.ColumnName =“Col”& i.ToString

dc.DataType =GetType(Integer)

 Next

 For i As Integer = 5 To 10  

 Dim dr As DataRow = result.NewRow

dr(0) = i

Next

Return result  

End Function

set @Debug=‘<Roles><Role code=”111″ name=”RoleName”><Persons><Person FName=”FName” LName=”LName” DSID=”564″ Email=”P@email.com” /><Person FName=”1FName” LName=”1LName” DSID=”1234″ Email=”P1@email.com” /></Persons></Role></Roles>’

set @RoldId = 111 

if  ( (convert(XML,@Debug)).exist(‘(/Roles/Role[@code= sql:variable("@RoldId")])’) =1 ) 

Begin

 SELECT @DSID=(convert(XML,@Debug)).value(‘(/Roles/Role[@code= sql:variable("@RoldId")]/Persons/Person/@DSID)[1]‘,‘nvarchar(50)’)

 print @DSID  

select * from  [Partner]  where [ID]=@DSID

 End

http://support.microsoft.com/default.aspx?scid=KB;EN-US;q306576

http://aspnet.4guysfromrolla.com/articles/120402-1.aspx

http://aspnet.4guysfromrolla.com/articles/021104-1.aspx