Class ValueConvert

ValueConvert provides conversion routines for values to convert them to another type and routines for formatting values.

Inheritance

System.Object

ValueConvert

Namespace: Syncfusion.DataSource

Assembly: Syncfusion.DataSource.Portable.dll

Syntax

public class ValueConvert : Object

Properties

AllowFormatValueTrimEnd

Gets or sets a value indicating whether FormatValue(Object, Type, String, CultureInfo, NumberFormatInfo) should trim whitespace characters from the end of the formatted text.

Declaration

public static bool AllowFormatValueTrimEnd { get; set; }

Property Value

Type
System.Boolean

Methods

ChangeType(Object, Type, IFormatProvider)

Converts value from one type to another using an optional System.IFormatProvider.

Declaration

public static object ChangeType(object value, Type type, IFormatProvider provider)

Parameters

Type	Name	Description
System.Object	value	The original value.
System.Type	type	The target type.
System.IFormatProvider	provider	A System.IFormatProvider used to format or parse the value.

Returns

Type	Description
System.Object	The new value in the target type.

ChangeType(Object, Type, IFormatProvider, Boolean)

Converts value from one type to another using an optional System.IFormatProvider.

Declaration

public static object ChangeType(object value, Type type, IFormatProvider provider, bool returnDbNullIfNotValid)

Parameters

Type	Name	Description
System.Object	value	The original value.
System.Type	type	The target type.
System.IFormatProvider	provider	A System.IFormatProvider used to format or parse the value.
System.Boolean	returnDbNullIfNotValid	Indicates whether exceptions should be avoided or cached and return value should be DBNull if it cannot be converted to the target type.

Returns

Type	Description
System.Object	The new value in the target type.

ChangeType(Object, Type, IFormatProvider, String, Boolean)

Converts value from one type to another using an optional System.IFormatProvider.

Declaration

public static object ChangeType(object value, Type type, IFormatProvider provider, string format, bool returnDbNullIfNotValid)

Parameters

Type	Name	Description
System.Object	value	The original value.
System.Type	type	The target type.
System.IFormatProvider	provider	A System.IFormatProvider used to format or parse the value.
System.String	format	Format string.
System.Boolean	returnDbNullIfNotValid	Indicates whether exceptions should be avoided or cached and return value should be DBNull if it cannot be converted to the target type.

Returns

Type	Description
System.Object	The new value in the target type.

FormatValue(Object, Type, String, CultureInfo, NumberFormatInfo)

Generates display text using the specified format, culture info and number format.

Declaration

public static string FormatValue(object value, Type valueType, string format, CultureInfo cultureInfo, NumberFormatInfo numberFormatInfo)

Parameters

Type	Name	Description
System.Object	value	The value to format.
System.Type	valueType	The value type on which formatting is based. The original value will first be converted to this type.
System.String	format	The format like in ToString(string format).
System.Globalization.CultureInfo	cultureInfo	The System.Globalization.CultureInfo for formatting the value.
System.Globalization.NumberFormatInfo	numberFormatInfo	The System.Globalization.NumberFormatInfo for formatting the value.

Returns

Type	Description
System.String	The string with the formatted text for the value.

FormatValueWithTypeInformation(Object, Boolean)

Formats the given value as string including type information. String will be in format %lt;type> 'value'

Declaration

public static string FormatValueWithTypeInformation(object value, bool allowConvertToBase64)

Parameters

Type	Name	Description
System.Object	value	Represents the string value.
System.Boolean	allowConvertToBase64	Indicates whether TypeConverter should be checked whether the type to be parsed supports conversion to/from byte array (e.g. an Image)

Returns

Type	Description
System.String	Returns the string value.

GetDefaultValue(Type)

Returns a representative value for any given type.

Declaration

public static object GetDefaultValue(Type type)

Parameters

Type	Name	Description
System.Type	type	The System.Type.

Returns

Type	Description
System.Object	A value with the specified type.

GetType(String)

Returns the type from the specified name. If an assembly name is appended the list of currently loaded assemblies in the current AppDomain are checked.

Declaration

public static Type GetType(string typeName)

Parameters

Type	Name	Description
System.String	typeName	Represents the type name.

Returns

Type	Description
System.Type	Returns the assembly name.

GetTypeName(Type)

Returns the type name. If type is not in microsoft corporation library, the assembly name is appended.

Declaration

public static string GetTypeName(Type type)

Parameters

Type	Name	Description
System.Type	type	Represents the type.

Returns

Type	Description
System.String	Returns the assembly type.

IsEmpty(String)

Indicates whether string is null or empty.

Declaration

public static bool IsEmpty(string stringValue)

Parameters

Type	Name	Description
System.String	stringValue	Represents the string value.

Returns

Type	Description
System.Boolean	Returns the boolean value.

Parse(String, Type, IFormatProvider, String)

Parses the given text using the resultTypes "Parse" method or using a type converter.

Declaration

public static object Parse(string stringValue, Type resultType, IFormatProvider provider, string format)

Parameters

Type	Name	Description
System.String	stringValue	The text to parse.
System.Type	resultType	The requested result type.
System.IFormatProvider	provider	A System.IFormatProvider used to format or parse the value. Can be NULL.
System.String	format	A format string used in a System.Object.ToString call. Right now format is only interpreted to enable round tripping for formatted dates.

Returns

Type	Description
System.Object	The new value in the target type.

Parse(String, Type, IFormatProvider, String, Boolean)

Parse the given text using the resultTypes "Parse" method or using a type converter.

Declaration

public static object Parse(string stringValue, Type resultType, IFormatProvider provider, string format, bool returnDbNullIfNotValid)

Parameters

Type	Name	Description
System.String	stringValue	The text to parse.
System.Type	resultType	The requested result type.
System.IFormatProvider	provider	A System.IFormatProvider used to format or parse the value. Can be NULL.
System.String	format	A format string used in a System.Object.ToString call. Right now format is only interpreted to enable round tripping for formatted dates.
System.Boolean	returnDbNullIfNotValid	Indicates whether DbNull should be returned if value cannot be parsed. Otherwise an exception is thrown.

Returns

Type	Description
System.Object	The new value in the target type.

Parse(String, Type, IFormatProvider, String[], Boolean)

Parse the given text using the resultTypes "Parse" method or using a type converter.

Declaration

public static object Parse(string stringValue, Type resultType, IFormatProvider provider, string[] formats, bool returnDbNullIfNotValid)

Parameters

Type	Name	Description
System.String	stringValue	The text to parse.
System.Type	resultType	The requested result type.
System.IFormatProvider	provider	A System.IFormatProvider used to format or parse the value. Can be NULL.
System.String[]	formats	A string array holding permissible formats used in a System.Object.ToString call. Right now formats is only interpreted to enable round tripping for formatted dates.
System.Boolean	returnDbNullIfNotValid	Indicates whether DbNull should be returned if value cannot be parsed. Otherwise an exception is thrown.

Returns

Type	Description
System.Object	The new value in the target type.

ParseValueWithTypeInformation(String, out Object, Boolean)

Parses the given string including type information. String can be in format %lt;type> 'value'

Declaration

public static bool ParseValueWithTypeInformation(string valueAsString, out object returnValue, bool allowConvertFromBase64)

Parameters

Type	Name	Description
System.String	valueAsString	Represents the string value.
System.Object	returnValue	Represents the return value.
System.Boolean	allowConvertFromBase64	Indicates whether TypeConverter should be checked whether the type to be parsed supports conversion to/from byte array (e.g. an Image)

Returns

Type	Description
System.Boolean	Returns the boolean value.