Technical Reference Manual - InduSoft

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Appendix: Built-in Scripting Language Returned value In case of error, returns a negative number. Otherwise, returns 1. Examples As used in a Math worksheet: Tag Name Expression nErrorCode DBInsert( "DB1", "Table1", "1, 'one'", "Column1, Column2" ) DBSelect DBSelect is a built-in scripting function that selects a result set from an external database (equivalent to a SQL SELECT statement), maps the columns to array tags in your project, and copies the values from the result set to the array tags. Function Group Execution Windows Embedded Thin Client DBSelect Database/ERP Synchronous Supported Supported Supported Syntax DBSelect(strDBConn,strTable,strTags,strColumns,strCondition,strOrder{ | ,optNumMaxRows{ | ,optStrErrorTag } }) strDBConn strTable strTags strColumns strCondition strOrder The name of the database connection. Connections are configured in the Database/ERP folder in the Project Explorer. The name of the database table from which you want to select. A comma-delimited list of the names of array tags in your project, to which the columns of the database table will be mapped. The database values will be copied to these array tags, with the first row of the result set being copied to array index 0. Make sure the arrays are large enough to receive all of the rows in the result set. A comma-delimited list of which columns in the database table to select. The list order should correspond to the list in strTags. To select all of the columns in the table, in their original order, give this parameter an empty string (""). A statement specifying which rows in the database table to select. This is equivalent to the SQL WHERE clause and must follow the same syntax. To select all of the rows in the table, give this parameter an empty string (""). A statement specifying the order in which the rows should be sorted. This is equivalent to the SQL ORDER BY clause and must follow the same syntax. To leave the rows in their original order, give this parameter an empty string (""). optNumMaxRows The maximum number of rows to be copied. In most cases, to copy all of the rows, specify a number greater than the expected number of rows in the result set. <strong>InduSoft</strong> Web Studio Page 751
Appendix: Built-in Scripting Language This is an optional parameter; if no value is specified, then only the first row of the result set will be copied. optStrErrorTag The name of a String tag that will receive detailed error messages, if errors occur during runtime. Note: The tag name must be enclosed in quotes, as shown in the syntax diagram, or else the project will try to get the value of the named tag. This is an optional parameter. Returned value This function returns the total number of rows in the result set. If an error occurs, then it returns a negative number. Please note this is the value returned by the function itself; the database values are copied to the array tags specified by strTags. Notes This feature emulates SQL (Structured Query Language) database operations. You should be familiar with how SQL statements are formed and executed before you use this feature. Examples DBSelect( "DB1", "Table1", "Array1,Array2", "Column1,Column2", "", "" ) DBSelect( "DB1", "Table1", "Array1,Array2", "Column1,Column2", "Column2 < Column1", "Column1", 4, "TagError" ) DBUpdate Selects a result set and then writes the same value to all rows of a specified column. (This function is equivalent to a SQL UPDATE statement.) Function Group Execution Windows Embedded Thin Client DBUpdate Database/ERP Synchronous Supported Supported Supported Note: This feature emulates SQL (Structured Query Language) database operations. You should be familiar with how SQL commands are formed and executed before you use this feature. Syntax DBUpdate( strDBConn, strTable, strValues, strColumns, optStrCondition, "optStrErrorTag" ) strDBConn strTable strValues The name of the database connection. Connections are configured in the Database/ERP folder in the Project Explorer. The name of the table in the database. Page 752 <strong>InduSoft</strong> Web Studio
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InduSoft Web Studio ® v7.1 User Gu
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InduSoft® is a registered trademar
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Contents Project Explorer..........
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Contents Alarms....................
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Contents Getting help..............
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Contents Security functions........
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Contents System Info functions.....
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Contents Database/ERP functions....
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Introduction • Testing and Debugg
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Introduction • Dockable windows a
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Introduction FTP Take advantage of
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Introduction communications in real
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Introduction Note: Tags are variabl
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Introduction Executing and switchin
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Introduction The following figure i
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Introduction Executing and switchin
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Installation Installation This sect
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Installation The architecture of yo
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Installation for them in the future
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Installation are not sure that your
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Installation c) Set Remote Agent to
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Installation Please keep these limi
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Licensing Protection Types InduSoft
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Licensing Execution modes InduSoft
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Licensing Product Versions InduSoft
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Licensing Upgrading the Current Har
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Licensing Installing a New Softkey
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Licensing Invalid Licenses When you
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Licensing 2. If the Remote Agent pr
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Licensing Installing or Upgrading a
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The Development Environment The Dev
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The Development Environment Note: W
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The Development Environment Save Th
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The Development Environment Quick A
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The Development Environment Ribbon
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The Development Environment • Scr
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The Development Environment Securit
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The Development Environment ODBC Ma
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The Development Environment Screen/
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The Development Environment Output
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The Development Environment Title B
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Creating a New Project Creating a N
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Creating a New Project Tip: You can
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Creating a New Project Changing the
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Creating a New Project • Field Eq
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Creating a New Project 2. Click Con
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Creating a New Project • Millisec
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Creating a New Project the Critical
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Creating a New Project • Enable T
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Creating a New Project Note: If you
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Creating a New Project • Generate
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Creating a New Project Configuring
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Creating a New Project You can conf
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Creating a New Project Password Sta
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Creating a New Project 4. Enter the
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Tags and the Project Database Tags
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Tags and the Project Database After
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Tags and the Project Database Note:
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Tags and the Project Database You c
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Tags and the Project Database • S
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Tags and the Project Database Chang
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Tags and the Project Database Creat
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Tags and the Project Database Creat
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Tags and the Project Database From
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Tags and the Project Database Confi
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Tags and the Project Database Tag P
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Tags and the Project Database Tag P
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Tags and the Project Database Delet
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Tags and the Project Database You c
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Tags and the Project Database Tagna
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Tags and the Project Database Impor
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Tags and the Project Database Step
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Tags and the Project Database • W
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Tags and the Project Database IMPOR
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Tags and the Project Database you c
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Tags and the Project Database works
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Tags and the Project Database conve
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Tags and the Project Database The T
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Tags and the Project Database 7. Re
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Tags and the Project Database 8. If
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Tags and the Project Database 4. In
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Tags and the Project Database 8. In
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Tags and the Project Database To ad
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Tags and the Project Database Using
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Screens and Graphics Screens and Gr
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Screens and Graphics Screens folder
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Screens and Graphics Area / Element
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Screens and Graphics 1. On the Inse
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Screens and Graphics You can also r
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Screens and Graphics LINE OBJECT On
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Screens and Graphics 3. Double-clic
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Screens and Graphics 1. Click in th
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Screens and Graphics • Size • E
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Screens and Graphics BUTTON OBJECT
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Screens and Graphics The button siz
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Screens and Graphics A legend plate
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Screens and Graphics • Force: Cli
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Screens and Graphics Modes of Opera
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Screens and Graphics Enter your lab
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Screens and Graphics 3. Double-clic
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Screens and Graphics SMART MESSAGE
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Screens and Graphics Property Text/
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Screens and Graphics • In the Gra
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Screens and Graphics 2. Select the
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Screens and Graphics Besides adding
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Screens and Graphics Adding Tooltip
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Screens and Graphics 5. Click Expan
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Screens and Graphics … [UsedContr
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Screens and Graphics Note: You can
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Screens and Graphics • Properties
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Screens and Graphics Configuring Pr
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Screens and Graphics you want to as
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Screens and Graphics • The events
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Screens and Graphics • Key Only c
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Screens and Graphics decimal separa
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Screens and Graphics Properties dia
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Screens and Graphics RESIZE ANIMATI
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Screens and Graphics Format tab The
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Screens and Graphics Also, if you s
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Screens and Graphics Click the Alig
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Screens and Graphics FLIP HORIZONTA
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Alarms, Events, and Trends Alarms,
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Alarms, Events, and Trends UseLegac
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Alarms, Events, and Trends Field Re
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Alarms, Events, and Trends The foll
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Alarms, Events, and Trends Within a
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Alarms, Events, and Trends About ev
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Alarms, Events, and Trends The Proj
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Alarms, Events, and Trends Tip: You
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Alarms, Events, and Trends Filters
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Alarms, Events, and Trends Descendi
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Alarms, Events, and Trends • Prin
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Alarms, Events, and Trends 7. Click
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Alarms, Events, and Trends • Defa
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Alarms, Events, and Trends For exam
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Alarms, Events, and Trends Tip: You
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Alarms, Events, and Trends Trend Co
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Alarms, Events, and Trends Command/
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Alarms, Events, and Trends The dial
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Alarms, Events, and Trends Note: Wh
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Alarms, Events, and Trends Element
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Alarms, Events, and Trends Area / E
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Alarms, Events, and Trends DATA SOU
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Alarms, Events, and Trends The dial
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Alarms, Events, and Trends Area / E
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Alarms, Events, and Trends Once you
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Alarms, Events, and Trends Using th
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Alarms, Events, and Trends Uncheck
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Alarms, Events, and Trends If you r
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Alarms, Events, and Trends • Font
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Alarms, Events, and Trends Tip: Use
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Alarms, Events, and Trends • User
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Alarms, Events, and Trends as the F
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Background Tasks Alarm worksheet Th
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Background Tasks Trend worksheet Th
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Background Tasks Recipe worksheet A
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Background Tasks Report worksheet A
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Background Tasks ODBC worksheet The
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Background Tasks • 12 - Error in
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Background Tasks Script worksheet A
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Background Tasks Scheduler workshee
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Background Tasks Database/ERP works
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Background Tasks The header of the
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Communication with Other Devices Co
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Communication with Other Devices Yo
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Communication with Other Devices se
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Communication with Other Devices
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Communication with Other Devices Fo
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Communication with Other Devices Ca
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Communication with Other Devices No
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Communication with Other Devices So
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Communication with Other Devices If
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Communication with Other Devices Ar
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Communication with Other Devices A
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Communication with Other Devices No
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Communication with Other Devices 6.
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Communication with Other Devices If
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Communication with Other Devices
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About collaboration and source cont
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Project Security Project Security I
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Project Security About security acc
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Project Security Using the security
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Project Security The sixth page of
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Project Security Configuring the se
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Project Security To make this optio
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Project Security c) In the console
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Project Security a) In the Console
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Project Security a) In the Console
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Project Security e) In the list of
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Project Security Area / Element Des
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Project Security Area / Element Des
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Project Security Security System di
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Project Security Backing up the sec
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Project Security Logging on/off If
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Project Security Password-protectin
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Project Localization Project Locali
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Project Localization Changes made t
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Project Localization Tip: Make sure
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Project Localization Set the projec
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Project Localization Disable transl
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Testing and Debugging Output (LogWi
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Testing and Debugging Database Spy
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Testing and Debugging Using Remote
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About remote management About remot
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About remote management c) Set Remo
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About remote management Please keep
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About remote management The Add Use
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About remote management License the
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About remote management Note: • O
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About remote management Configure R
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About thin clients and mobile acces
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Database Interface Database Interfa
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Database Interface operating system
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Database Interface Studio Database
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Database Interface Section of .INI
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Database Interface Assembly6=ByteFX
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Database Interface manually, you ca
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Database Interface Value Descriptio
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Database Interface Database Trouble
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Database Interface 1. Follow the Tr
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Database Interface Appendices Using
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Database Interface 2. Select the Mi
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Database Interface • TNS: Oracle
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Database Interface Because the prov
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Database Interface Using Sybase You
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Database Interface Although the fil
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Troubleshooting Troubleshooting Pag
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Troubleshooting Please try to defin
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Troubleshooting Q. How do I insert
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Troubleshooting General Q. What ope
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Troubleshooting A. Microsoft Intern
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Troubleshooting 4. Close the Regist
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Troubleshooting Release Notes To vi
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Appendix: Built-in Scripting Langua
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