ig.excel.ListDataValidationRule

Represents a data validation rule which allows a value from a list of accepted values to be applied to a cell.

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  • ig.excel.ListDataValidationRule
    Constructor

    new $.ig.excel.ListDataValidationRule( );

    Creates a new ListDataValidationRule instance.

  • getValuesFormula

    .getValuesFormula( address:string );
    Return Type:
    string
    Return Type Description:
    A formula used to validate the value applied to a cell.

    Gets the formula which specifies the accepted values.

    • address
    • Type:string
    • The address of the cell or region that serves as the basis for relative references, or null to use the top-left cell of the worksheet.

    Exceptions

    Exception Description
    ig.ArgumentException Occurs when address is not a valid cell or regions address.

    Remarks

    The is a string containing the list of accepted values or a reference to a cell or region in the same Workbook which contains the accepted values.

    If the formula equals a string, it will be a list of accepted value, such as ="A,B,C". If one of the values must contain a double quote ("), the character will be repeated in the list, like so: ="A,""B"",C". This will allow the values A, "B", and C. The separator between values will be a comma (,), unless the decimal separator for the current culture is a comma, in which case the separator will be a semicolon (;).

    If the formula equals one or more references, it will be a reference to a single cell or region in the same Workbook. Union, intersection, and range operators are not allowed. An formula might be something like =$A$1 or =Sheet2!$A$1:$A$5. In addition to a single cell or region, a named reference can also be used, but only if it refers to a single cell or region. If a region is specified, or a named reference that refers to a region, the region will consist of a single row or column. A formula that equals an error value can also be returned, but will cause the cell to not accept any values and the drop down to be empty, so it is not very useful.

    The address passed in is only needed if relative addresses are used in the the formula. For example, consider the formula applied is =B1, and the data validation rule is applied to the region A1:A5. If you get the formula for A1, the formula =B1 will be returned. If you get the formula for A2, =B2 will be returned. Similarly, for cell A5, =B5 will be returned. However, if the formula contains no references or all absolute references, the address is ignored. So in the previous example, if the original formula was =$B$1, the same formula will be returned regardless of the specified address.

    address can be any valid cell or region reference on a worksheet. If a region address is specified, the top-left cell or the region is used. The cell or region specified does not need to have the data validation rule applied to it. Any reference is allowed.

    The cell reference mode with which to parse address will be assumed to be A1, unless the data validation rule is applied to a worksheet which is in a workbook, in which case the Workbook.cellReferenceMode will be used.

    See Also

  • getValuesFormula

    .getValuesFormula( address:string, format:ig.excel.WorkbookFormat, cellReferenceMode:ig.excel.CellReferenceMode, culture:string );
    Return Type:
    string
    Return Type Description:
    A formula used to validate the value applied to a cell.

    Gets the formula which specifies the accepted values.

    • address
    • Type:string
    • The address of the cell or region that serves as the basis for relative references, or null to use the top-left cell of the worksheet.
    • format
    • Type:ig.excel.WorkbookFormat
    • The workbook format with which to parse address.
    • cellReferenceMode
    • Type:ig.excel.CellReferenceMode
    • The cell reference mode with which to parse address.
    • culture
    • Type:string
    • The culture to use when generating the formula string.

    Exceptions

    Exception Description
    ig.ArgumentException Occurs when address is not a valid cell or regions address.
    ig.excel.InvalidEnumArgumentException Occurs when format is not defined in the WorkbookFormat enumeration.
    ig.excel.InvalidEnumArgumentException Occurs when cellReferenceMode is not defined in the CellReferenceMode enumeration.

    Remarks

    The is a string containing the list of accepted values or a reference to a cell or region in the same Workbook which contains the accepted values.

    If the formula equals a string, it will be a list of accepted value, such as ="A,B,C". If one of the values must contain a double quote ("), the character will be repeated in the list, like so: ="A,""B"",C". This will allow the values A, "B", and C. The separator between values will be a comma (,), unless the decimal separator for the current culture is a comma, in which case the separator will be a semicolon (;).

    If the formula equals one or more references, it will be a reference to a single cell or region in the same Workbook. Union, intersection, and range operators are not allowed. An formula might be something like =$A$1 or =Sheet2!$A$1:$A$5. In addition to a single cell or region, a named reference can also be used, but only if it refers to a single cell or region. If a region is specified, or a named reference that refers to a region, the region will consist of a single row or column. A formula that equals an error value can also be returned, but will cause the cell to not accept any values and the drop down to be empty, so it is not very useful.

    The address passed in is only needed if relative addresses are used in the the formula. For example, consider the formula applied is =B1, and the data validation rule is applied to the region A1:A5. If you get the formula for A1, the formula =B1 will be returned. If you get the formula for A2, =B2 will be returned. Similarly, for cell A5, =B5 will be returned. However, if the formula contains no references or all absolute references, the address is ignored. So in the previous example, if the original formula was =$B$1, the same formula will be returned regardless of the specified address.

    address can be any valid cell or region reference on a worksheet. If a region address is specified, the top-left cell or the region is used. The cell or region specified does not need to have the data validation rule applied to it. Any reference is allowed.

    See Also

  • isEquivalentTo

    .isEquivalentTo( other:ig.excel.DataValidationRule );
    Return Type:
    boolean
    Return Type Description:
    Returns true if the specified other has the same settings as this rule.

    Indicates if this rule is structurally equivalent to another.

    • other
    • Type:ig.excel.DataValidationRule
    • The rule to compare against

  • setValues

    .setValues( values:object[] );

    Sets the list of accepted values the cell can accept.

    • values
    • Type:object[]
    • The list of accepted values.

    Exceptions

    Exception Description
    ig.ArgumentNullException Occurs when values is null and the rule is currently applied to a Worksheet.
    ig.ArgumentException Occurs when the values array is empty.

    Remarks

    If LimitedValueDataValidationRule.allowNull is True, null values are allowed in addition to the list of accepted values.

    All values will have ToString called on them to covert the accepted values list to a formula.

    Note: the formula of accepted values is created by separating each value with a function parameter separator and concatenating them into a single string. So a list of 1, 2, and 3 would have the following formula created: ="1,2,3". However, if the decimal separator of the current culture is a comma (,) then a semicolon (;) will be used to separate the values instead. Because of this, if the ToString of a value returns a string which contains one of these separators, the value will be split into two or more allowed values.

    See Also

  • setValuesFormula

    .setValuesFormula( valuesFormula:string, address:string );

    Sets the formula which specifies the accepted values.

    • valuesFormula
    • Type:string
    • The formula which provides the accepted values for the rule.
    • address
    • Type:string
    • The address of the cell or region that serves as the basis for relative references, or null to use the top-left cell of the worksheet.

    Exceptions

    Exception Description
    ig.ArgumentNullException Occurs when valuesFormula is null and the rule is currently applied to a Worksheet.
    ig.excel.FormulaParseException Occurs when valuesFormula is not a valid formula.
    ig.ArgumentException Occurs when the specified value contains something other than a string or reference.
    ig.ArgumentException Occurs when the specified value contains a region reference which has more than one row and column.
    ig.ArgumentException Occurs when address is not a valid cell or regions address.

    Remarks

    The formula must be a string containing the list of accepted values or a reference to a cell or region in the same Workbook which contains the accepted values.

    If a formula equaling a string is specified, it must be a string literal and it cannot be concatenated. For example, an acceptable formula would be ="A,B,C". If one of the values must contain a double quote ("), the character should be repeated in the list, like so: ="A,""B"",C". This will allow the values A, "B", and C. The separator between values must be a comma (,), unless the decimal separator for the current culture is a comma, in which case the separator must be a semicolon (;).

    If a formula equaling one or more references is specified, it must be a reference to a single cell or region in the same Workbook. Union, intersection, and range operators are not allowed. An acceptable formula might be =$A$1 or =Sheet2!$A$1:$A$5. In addition to a single cell or region, a named reference can also be used, but only if it refers to a single cell or region. If a region is specified, or a named reference that refers to a region, the region must consist of a single row or column. A formula that equals an error value is also allowed, but will cause the cell to not accept any values and the drop down to be empty, so it is not very useful.

    The address passed in is only needed if relative addresses are used in the the formula. When the data validation rule is applied to cells or regions, the references in the formula used by each individual cell will be shifted by the offset of the cell to the passed in address. For example, consider the formula specified is =B1 and the specified address is A1. If the data validation rule is then applied to the A5 cell, the formula is will use is =B5. However, if the references in the formula are absolute, such as =$B$1, the same formula will be applied regardless of the specified address.

    address can be any valid cell or region reference on a worksheet. If a region address is specified, the top-left cell or the region is used. The cell or region specified does not need to have the data validation rule applied to it. Any reference is allowed.

    The cell reference mode with which to parse address will be assumed to be A1, unless the data validation rule is applied to a worksheet which is in a workbook, in which case the Workbook.cellReferenceMode will be used.

    See Also

  • setValuesFormula

    .setValuesFormula( valuesFormula:string, address:string, format:ig.excel.WorkbookFormat, cellReferenceMode:ig.excel.CellReferenceMode, culture:string );

    Sets the formula which specifies the accepted values.

    • valuesFormula
    • Type:string
    • The formula which provides the accepted values for the rule.
    • address
    • Type:string
    • The address of the cell or region that serves as the basis for relative references, or null to use the top-left cell of the worksheet.
    • format
    • Type:ig.excel.WorkbookFormat
    • The workbook format with which to parse address.
    • cellReferenceMode
    • Type:ig.excel.CellReferenceMode
    • The cell reference mode with which to parse address.
    • culture
    • Type:string
    • The culture to use when parsing the formula string.

    Exceptions

    Exception Description
    ig.ArgumentNullException Occurs when valuesFormula is null and the rule is currently applied to a Worksheet.
    ig.excel.FormulaParseException Occurs when valuesFormula is not a valid formula.
    ig.ArgumentException Occurs when the specified value contains something other than a string or reference.
    ig.ArgumentException Occurs when the specified value contains a region reference which has more than one row and column.
    ig.ArgumentException Occurs when address is not a valid cell or regions address.
    ig.excel.InvalidEnumArgumentException Occurs when format is not defined in the WorkbookFormat enumeration.
    ig.excel.InvalidEnumArgumentException Occurs when cellReferenceMode is not defined in the CellReferenceMode enumeration.

    Remarks

    The formula must be a string containing the list of accepted values or a reference to a cell or region in the same Workbook which contains the accepted values.

    If a formula equaling a string is specified, it must be a string literal and it cannot be concatenated. For example, an acceptable formula would be ="A,B,C". If one of the values must contain a double quote ("), the character should be repeated in the list, like so: ="A,""B"",C". This will allow the values A, "B", and C. The separator between values must be a comma (,), unless the decimal separator for the current culture is a comma, in which case the separator must be a semicolon (;).

    If a formula equaling one or more references is specified, it must be a reference to a single cell or region in the same Workbook. Union, intersection, and range operators are not allowed. An acceptable formula might be =$A$1 or =Sheet2!$A$1:$A$5. In addition to a single cell or region, a named reference can also be used, but only if it refers to a single cell or region. If a region is specified, or a named reference that refers to a region, the region must consist of a single row or column. A formula that equals an error value is also allowed, but will cause the cell to not accept any values and the drop down to be empty, so it is not very useful.

    The address passed in is only needed if relative addresses are used in the the formula. When the data validation rule is applied to cells or regions, the references in the formula used by each individual cell will be shifted by the offset of the cell to the passed in address. For example, consider the formula specified is =B1 and the specified address is A1. If the data validation rule is then applied to the A5 cell, the formula is will use is =B5. However, if the references in the formula are absolute, such as =$B$1, the same formula will be applied regardless of the specified address.

    address can be any valid cell or region reference on a worksheet. If a region address is specified, the top-left cell or the region is used. The cell or region specified does not need to have the data validation rule applied to it. Any reference is allowed.

    See Also

  • showDropdown

    .showDropdown( );

    Gets the value which indicates whether a drop down should be displayed in Microsoft Excel with the list of accepted values.

    Remarks

    If this is True, a drop down arrow will be displayed next to the cell when it is selected. When the user clicks the drop down arrow, a drop down will be displayed with the list of accepted values.

  • showDropdown

    .showDropdown( value:boolean );

    Sets the value which indicates whether a drop down should be displayed in Microsoft Excel with the list of accepted values.

    • value
    • Type:boolean

    Remarks

    If this is True, a drop down arrow will be displayed next to the cell when it is selected. When the user clicks the drop down arrow, a drop down will be displayed with the list of accepted values.

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