Search This Blog

2008-04-30

Template for aspx page with dynamic controls

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;


public partial class template : System.Web.UI.Page
{


#region Introduction
private string msg; //this is the message you are going to show to your users


private TextBox [ ] holderForTxt; //holder for dynamic textboxes
private DropDownList [ ] holderForDdl;
private HtmlInputRadioButton [ ] holderForRdb;
private HtmlInputCheckBox [ ] holderForCkb;
private Label [ ] holderForAst;

DataSet ds; //dataset for metadata
DataSet pds; //parameter dataset
DataSet rds; //return set dataset


#endregion

#region Properties
//set here page properties to use with the viewstate
#endregion //Properties



protected override void OnInit ( EventArgs e )
{ //HUOMI THIS FIRST
//debug Utils.Debugger.WriteIf ( "template.aspx.cs OnInit method START " );
base.OnInit ( e );
Page.Load += new EventHandler ( Page_Load ); //this one has to be set if the page directive is AutoEventFireUp = "false"

if (this.IsPostBack == false)
{
//null here Session which are supposed to be null on first time loading the page
} //eof if (this.IsPostBack == false )
else
{
//debug Utils.Debugger.WriteIf ( "if (this.IsPostBack == true )" );
}

} //eof OnInit


protected override void CreateChildControls ( )
{
base.CreateChildControls ( );
CreateDynamicControls ( );
} //protected override void CreateChildControls ( )


protected override object SaveViewState ( )
{
return new Pair ( base.SaveViewState ( ), null );
}

protected override void LoadViewState ( object savedState )
{
base.LoadViewState ( ((Pair)savedState).First );
EnsureChildControls ( );
} //LoadViewState


protected void Page_Load ( object sender, EventArgs e )
{ //comm -- the controls should be generated at the init stage and the databinding happens here

if (this.IsPostBack == false)
{
} //only on post back
else
{
}
this.DataBind ();
} //eof Page_Load



private void CreateDynamicControls ()
{
if (Session [ "template.ClickSearchClicked" ] != null && (int)Session [ "template.ClickSeachClicked" ] == 1)
{
this.BuildDynamicControls ();
} //eof if

} //eof CreateDynamicControls

protected void ClickSearch ( object sender , EventArgs e )
{
//GO GET THE DATA FROM THE DATABASE
//PUT DATA INTO class variable and session
//ds = methodToGetDataFromDb ;
//Session [ "ds"] = ds ;
//Session [ "template.ClickSearchClicked" ] = 1;
this.BuildDynamicControls ();
} //eof ClickSearch

private void BuildDynamicControls()
{
//ds = Session [ "ds" ] ; //get the data from the Session obj
//use the ds to actually construct the controls

} //eof BuildDynamicControls
} //eof class template

2008-04-10

How to generate programatically simple gridview from dataset

SOURCES:
Multiple sources

public static void PrepareGV ( ref System.Web.UI.WebControls.GridView table_list_gv,
ref System.Data.DataSet rds )
{

if (table_list_gv != null)
{

foreach (System.Data.DataColumn dc in rds.Tables[0].Columns)
{
BoundField nameColumn = new BoundField ( );
nameColumn.DataField = dc.ColumnName;
nameColumn.HeaderText = dc.ColumnName ;
nameColumn.SortExpression = dc.ColumnName;
table_list_gv.Columns.Add ( nameColumn );
} //eof foreach col in the ds

table_list_gv.DataSource = rds.Tables [ 0 ];
table_list_gv.AllowPaging = true;
table_list_gv.AllowSorting = true;
table_list_gv.EnableSortingAndPagingCallbacks = false;
table_list_gv.Visible = true;
table_list_gv.DataBind ( );
}
else
{
throw new Utils.CustomException ( "a null table_list_gv was passed !!!" );
}

} //eof private static void PrepareGV (ref System.Web.UI.WebControls.GridView table_list_gv )

2008-04-08

how -to add extended properties to sql server 2005 programatically

B. Adding an extended property to a column in a table

The following example adds a caption property to column PostalCode in table Address.
USE AdventureWorks;
GO
EXEC sp_addextendedproperty
@name = N'Caption', @value = 'Postal code is a required column.',
@level0type = N'Schema', @level0name = Person,
@level1type = N'Table', @level1name = Address,
@level2type = N'Column', @level2name = PostalCode;
GO

SOURCES:
http://technet.microsoft.com/en-us/library/ms180047.aspx

2008-04-03

Turn objects into byte arrays using effective compression in C#

#region Using directives
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Runtime.Serialization.Formatters.Binary;
using System.IO;
using System.IO.Compression;

#endregion
//courtesy of Peter A. Bromberg, Ph.D. http://www.eggheadcafe.com/articles/20041128.asp

namespace Utils
{

public class DataSetCodec
{
/*todo: remove
#region Main Function
static void Main ( string [ ] args )
{
DataSetCodec dsc = new DataSetCodec ( );
DataSet ds = new DataSet ( );
ds.Tables.Add ( "Table" );
ds.Tables [ 0 ].Columns.Add ( "include" );
ds.Tables [ 0 ].Columns.Add ( "filledValue" );

DataRow row = ds.Tables [ 0 ].NewRow ( );
row [ "include" ] = true;
row [ "filledValue" ] = "some value";
ds.Tables [ 0 ].Rows.Add ( row );
Debugger.DebugDataSet ( "ok?", ref ds );


//now start compression
byte [ ] compressedDataSetInBytes = DataSetCodec.CompressDataSet ( ref ds );
int lengthOfArray = compressedDataSetInBytes.Length;

//NOW SHOW THE BYTES
foreach (byte b in compressedDataSetInBytes)
{
Debugger.WriteByte ( b );
}


//now decompress
DataSetCodec.DecompressDataSet ( ref compressedDataSetInBytes, out lengthOfArray );
Debugger.DebugDataSet ( "ok?", ref ds );


} //eof main
#endregion
*/


// private ctor; all members are static
private DataSetCodec ( )
{
}

public static byte [ ] CompressDataSet ( ref DataSet ds )
{
ds.RemotingFormat = SerializationFormat.Binary;
BinaryFormatter bf = new BinaryFormatter ( );
MemoryStream ms = new MemoryStream ( );
bf.Serialize ( ms, ds );
byte [ ] inbyt = ms.ToArray ( );
System.IO.MemoryStream objStream = new MemoryStream ( );
System.IO.Compression.DeflateStream objZS =
new System.IO.Compression.DeflateStream ( objStream,
System.IO.Compression.CompressionMode.Compress );
objZS.Write ( inbyt, 0, inbyt.Length );
objZS.Flush ( );
objZS.Close ( );
return objStream.ToArray ( );
}


public static DataSet DecompressDataSet ( ref byte [ ] bytDs, out int len )
{
Utils.Debugger.WriteIf( bytDs.Length.ToString ( ) );
DataSet outDs = new DataSet ( );
MemoryStream inMs = new MemoryStream ( bytDs );
inMs.Seek ( 0, 0 );
DeflateStream zipStream = new DeflateStream ( inMs, CompressionMode.Decompress, true );
byte [ ] outByt = ReadFullStream ( zipStream );
zipStream.Flush ( );
zipStream.Close ( );
MemoryStream outMs = new MemoryStream ( outByt );
outMs.Seek ( 0, 0 );
outDs.RemotingFormat = SerializationFormat.Binary;
BinaryFormatter bf = new BinaryFormatter ( );
len = (int)outMs.Length;
outDs = (DataSet)bf.Deserialize ( outMs, null );
return outDs;
} //eof public static DataSet DecompressDataSet (ref byte [] bytDs , out int len)


public static byte [ ] ReadFullStream ( Stream stream )
{
byte [ ] buffer = new byte [ 32768 ];
using (MemoryStream ms = new MemoryStream ( ))
{
while (true)
{
int read = stream.Read ( buffer, 0, buffer.Length );
if (read <= 0)
return ms.ToArray ( );
ms.Write ( buffer, 0, read );
}

} //eof using
} //eof public static byte [] ReadFullStream
} //eof class
} //eof namespace CompressDecompress

Labels

perl (41) Cheat Sheet (25) how-to (24) windows (14) sql server 2008 (13) linux (12) oracle (12) sql (12) Unix (11) cmd windows batch (10) mssql (10) cmd (9) script (9) textpad (9) netezza (8) sql server 2005 (8) cygwin (7) meta data mssql (7) metadata (7) bash (6) code generation (6) Informatica (5) cheatsheet (5) energy (5) tsql (5) utilities (5) excel (4) future (4) generic (4) html (4) perl modules (4) programs (4) settings (4) sh (4) shortcuts (4) поуки (4) принципи (4) Focus Fusion (3) Solaris (3) cool programs (3) development (3) economy (3) example (3) freeware (3) fusion (3) git cheat sheet (3) logging (3) morphus (3) mssql 2005 (3) nuclear (3) nz (3) parse (3) python (3) sftp (3) sofware development (3) source (3) sqlplus (3) table (3) vim (3) .Net (2) C# (2) China (2) GUI (2) Google (2) GoogleCL (2) Solaris Unix (2) ascii (2) awk (2) batch (2) cas (2) chrome extensions (2) code2html (2) columns (2) configuration (2) conversion (2) duplicates (2) excel shortcuts (2) export (2) file (2) free programs (2) informatica sql repository (2) linux cheat sheet (2) mssql 2008 (2) mysql (2) next big future (2) nsis (2) nz netezza cheat sheet (2) nzsql (2) ora (2) prediction (2) publish (2) release management (2) report (2) security (2) single-click (2) sqlserver 2005 (2) sqlserver 2008 (2) src (2) ssh (2) template (2) tools (2) vba (2) video (2) xlt (2) xml (2) youtube videos (2) *nix (1) .vimrc (1) .virmrc vim settings configs (1) BSD license (1) Bulgaria (1) Dallas (1) Database role (1) Dense plasma focus (1) Deployment (1) ERP (1) ExcelToHtml (1) GD (1) GDP (1) HP-UX (1) Hosting (1) INC (1) IT general (1) ITIL management bullshit-management (1) IZarc (1) Java Web Start (1) JavaScript anchor html jquery (1) Khan Academy (1) LINUX UNIX BASH AND CYGWIN TIPS AND TRICKS (1) Linux Unix rpm cpio build install configure (1) Linux git source build .configure make (1) ListBox (1) MIT HYDROGEN VIRUS (1) OO (1) Obama (1) PowerShell (1) Run-time (1) SDL (1) SIWA (1) SOX (1) Scala (1) Services (1) Stacks (1) SubSonic (1) TED (1) abstractions (1) ansible hosts linux bash (1) ansible linux deployment how-to (1) ansible yum pip python (1) apache (1) apache 2.2 (1) application life cycle (1) architecture (1) archive (1) arguments (1) avatar (1) aws cheat sheet cli (1) aws cli (1) aws cli amazon cheat sheet (1) aws elb (1) backup (1) bash Linux open-ssh ssh ssh_server ssh_client public-private key authentication (1) bash perl search and replace (1) bash stub (1) bin (1) biofuels (1) biology (1) books (1) browser (1) bubblesort (1) bugs (1) build (1) byte (1) cas_sql_dev (1) chennai (1) chrome (1) class (1) claut (1) cmdow (1) code generation sqlserver (1) command (1) command line (1) conf (1) confluence (1) console (1) convert (1) cool programs windows free freeware (1) copy-paste (1) csv (1) ctags (1) current local time (1) cygwin X11 port-forwarding mintty xclock Linux Unix X (1) cygwin bash how-to tips_n_tricks (1) cygwin conf how-to (1) data (1) data types (1) db2 cheat sheet (1) db2 starter ibm bash Linux (1) debt (1) diagram (1) dictionaries (1) digital (1) disk (1) disk space (1) documentation (1) dos (1) dubai (1) e-cars (1) electric cars (1) electricity (1) emulate (1) errors (1) exponents (1) export workflow (1) extract (1) fast export (1) fexp (1) file extension (1) file permissions (1) findtag (1) firewall (1) for loop (1) freaky (1) functions (1) fusion research (1) german (1) git gitlab issues handling system (1) google cli (1) google code (1) google command line interface (1) gpg (1) ha (1) head (1) helsinki (1) history (1) hop or flop (1) host-independant (1) how-to Windows cmd time date datetime (1) ibm db2 cognos installation example db deployment provisioning (1) ideas (1) image (1) informatica oracle sql (1) informatica repo sql workflows sessions file source dir (1) informatica source files etl (1) install (1) isg-pub issue-tracker architecture (1) it management best practices (1) java (1) jump to (1) keyboard shortcuts (1) ksh (1) level (1) linkedin (1) linux bash ansible hosts (1) linux bash commands (1) linux bash how-to shell expansion (1) linux bash shell grep xargs (1) linux bash tips and t ricks (1) linux bash unix cygwin cheatsheet (1) linux bash user accounts password (1) linux bash xargs space (1) linux cheat-sheet (1) linux cheatsheet cheat-sheet revised how-to (1) linux how-to non-root vim (1) linux ssh hosts parallel subshell bash oneliner (1) london (1) make (1) me (1) metacolumn (1) metadata functions (1) metaphonre (1) method (1) model (1) movie (1) multithreaded (1) mysql cheat sheet (1) mysql how-to table datatypes (1) n900 (1) nano (1) neteza (1) netezza bash linux nps (1) netezza nps (1) netezza nps nzsql (1) netezza nz Linux bash (1) netezza nz bash linux (1) netezza nz nzsql sql (1) netezza nzsql database db sizes (1) non-password (1) nord pol (1) nps backup nzsql schema (1) number formatting (1) nz db size (1) nz table count rows (1) nzsql date timestamp compare bigint to_date to_char now (1) on-lier (1) one-liners (1) one-to-many (1) oneliners (1) open (1) open source (1) openrowset (1) openssl (1) oracle PL/SQL (1) oracle Perl perl (1) oracle installation usability (1) oracle number formatting format-model ora-sql oracle (1) oracle templates create table (1) oracle trigger generic autoincrement (1) oracle vbox virtual box cheat sheet (1) oracle virtual box cheat sheet (1) outlook (1) parser (1) password (1) paths (1) perl @INC compile-time run-time (1) perl disk usage administration Linux Unix (1) perl modules configuration management (1) permissions (1) php (1) picasa (1) platform (1) postgreSQL how-to (1) powerShell cmd cygwin mintty.exe terminal (1) ppm (1) predictions (1) prices (1) principles (1) productivity (1) project (1) prompt (1) proxy account (1) public private key (1) publishing (1) putty (1) qt (1) read file (1) registry (1) relationship (1) repository (1) rm (1) scala ScalaFmt (1) scp (1) scripts (1) scsi (1) search and replace (1) sed (1) sendEmail (1) sh stub (1) shortcuts Windows sql developer Oracle (1) sidebar (1) silicon (1) smtp (1) software procurement (1) sofware (1) sort (1) sql script (1) sql_dev (1) sqlcmd (1) sqlite (1) sqlite3 (1) sshd (1) sshd cygwin (1) stackoverflow (1) stored procedure (1) stub (1) stupidity (1) subroutines (1) svn (1) sysinternals (1) tail (1) tar (1) temp table (1) templates (1) teradata (1) terminal (1) test (1) testing (1) theory (1) thorium (1) time (1) tip (1) title (1) tmux .tmux.conf configuration (1) tmux efficiency bash (1) tool (1) ui code prototyping tips and tricks (1) umask Linux Unix bash file permissions chmod (1) url (1) urls (1) user (1) utility (1) utils (1) vb (1) vbox virtual box cheat sheet (1) vim perl regex bash search for string (1) vim recursively hacks (1) vim starter (1) vim-cheat-sheet vim cheat-sheet (1) vimeo (1) visual stuio (1) warsaw (1) wiki (1) wikipedia (1) window (1) windows 7 (1) windows 8 (1) windows programs (1) windows reinstall (1) windows utility batch perl space Windows::Clipboard (1) wisdoms (1) workflow (1) worth-reading (1) wrapper (1) xp_cmdshell (1) xslt (1) youtube (1)

Blog Archive

Translate with Google Translate

My Blog List

VideoBar

This content is not yet available over encrypted connections.