VB.NET ASPNET Type Conversion Function Examples
VB.NET ASPNET Type Conversion Function Examples
Purpose: – Illustrates Type Conversion Function Examples for VB.NET ASPNET Applications.
VB.NET ASPNET Type Conversion Function Examples
| Type Type Conversion Functions | Input Expression | Result |
| CBool(expression) | Char, Numeric, or String | Boolean Data Type |
| CByte(expression) | 0 to 255 unsigned (gets rounded) | Byte Data Type |
| CChar(expression) | Char or String (if string, only first character is used) | Char Data Type |
| CDate(expression) | Date and/or time in any valid format. | Date Data Type |
| CDbl(expression) | -1.79769313486231570E+308 through -4.94065645841246544E-324 for negative values;4.94065645841246544E-324 through 1.79769313486231570E+308 for positive values. | Double Data Type |
| CDec(expression) | +/-79,228,162,514,264,337,593,543,950,335 for zero-scaled numbers, that is, numbers with no decimal places. For numbers with 28 decimal places, the range is +/-7.9228162514264337593543950335. The smallest possible non-zero number is 0.0000000000000000000000000001 (+/-1E-28). | Decimal Data Type |
| CInt(expression) | -2,147,483,648 through 2,147,483,647; fractional parts are rounded . | Integer Data Type |
| CLng(expression) | -9,223,372,036,854,775,808 through 9,223,372,036,854,775,807; fractional parts are rounded. | Long Data Type |
| CObj(expression) | Any valid data type. | Object Data Type |
| CSByte(expression) | -128 through 127; fractional parts are rounded. | SByte Data Type |
| CShort(expression) | -32,768 through 32,767; fractional parts are rounded | Short Data Type |
| CSng(expression) | -3.402823E+38 through -1.401298E-45 for negative values; 1.401298E-45 through 3.402823E+38 for positive values | Single Data Type |
| CStr(expression) | 1. If boolean, returns string “True” or “False” 2. If date, returns A string containing a date value (date and time) in the short date format of your system 3. If number, returns a string representing the number | String Data Type |
| CUInt(expression) | 0 to 4,294,967,295 – will throw exception if negative number is passed in. Rounds fractions to whole numbers | UInteger Data Type |
| CULng(expression) | 0 to 18,446,744,073,709,551,615 (unsigned) – will throw Exception if negative number is passed in. Rounds fractions to whole numbers | ULong Data Type |
| CUShort(expression) | 0 to 65,535 (unsigned) – will throw Exception if negative number is passed in. Rounds fractions to whole numbers | SByte UShort Type |
