1. Variable naming specification
Type Prefix Example Array arrarrShoppingListBooleanblnblnIsPostBackBytebytbytPixelValueCharchrchrDelimiterDateTimedtmdtmStartDateDecimaldecdecAverageHeightDoubledbldblSizeofUniverseInteger intintRowCounterLong lnglngBillGatesIncomeObject objobjReturnValueShortshrshrAverageSingle sngsngMaximumString strstrFirstName
2. Control naming specification
Type prefix exemplary AdRotatoradrtadrtTopAdButtonbtnbtnSubmitCalendarcalcalMettingDatesCheckBoxchkchkBlueCheckBoxListchklchklFavColorsCompareValidatorvalcvalcValidAge CustomValidatorvalxvalxDBCheckDataGriddgrddgrdTitlesDataListdlstdlstTitlesDropDownListdropdropCountriesHyperLinklnklnkDetailsImageimgimgAuntBettyImageButtonibtnibtnSubmitLabellbllblResultsLinkButtonlbtnlbtnSubmitListBoxlstlstCountriesPanelpnlpnlForm2PlaceHolderplhplhFormContentsRadioButtonradradFemaleRadioButtonList radlradlGenderRangeValidatorvalgvalgAgeRegularExpressionvalevaleEmail_ValidatorRepeaterrptrptQueryResultsRequiredFieldValidatorvalrvalrFirstNameTabletbltblCountryCodes TableCelltblctblcGermanyTableRowtblrtblrCountryTextBoxtxttxtFirstNameValidationSummaryvalsvalsFormErrorsXMLxmlcxmlcTransformResults
3. ADO.NET control naming specification
Example ConnectionconconNorthwind CommandcmdcmdReturnProductsParameterparmparmProductIDDataAdapterdaddadProductsDataReaderdtrdtrProductsDataSetdstdstNorthWindDataTabledtbldtblProductDataRowdrowdrowRow98DataColumndcoldcolProductIDDataRelationdreldrelMasterDetailDataViewdvwdvwFilteredProducts type prefix
4. Event processing subroutine
The name of an event-handling subroutine will consist of the ID of the control that rasied the event followed by the type of event being handled. For example, a subroutine named btnSubmit_Click handles the Click event of a Button control named btnSubmit.
