datareader get nullable int

As an extension (not tested, but you get the idea), and using column names ...

As an extension (not tested, but you get the idea), and using column names instead of boolResult = null; int? intResult = null; if (dataReader.

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public static int SafeGetInt(this SqlDataReader reader, string colName) { v...

public static int SafeGetInt(this SqlDataReader reader, string colName) { var colIndex = dwn.220.v.uainal(colName); return!reader.

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Age = sqlreader[indexAge] as int??? default(int); SQL Data Reader - handlin...

Age = sqlreader[indexAge] as int??? default(int); SQL Data Reader - handling Null column values Value) return null; return ((INullable)t).

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I'm trying to run the following code but get a conversion error. . Try...

I'm trying to run the following code but get a conversion error. . TryParse(dataReader["INT_VALUE"], out intVar)) finalInt = null else finalInt.

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NET nullable types.; Author: Steve Michelotti; Updated: 20 Jan ; Section: D...

NET nullable types.; Author: Steve Michelotti; Updated: 20 Jan ; Section: Database; Therefore, the NullableDataReader can be used like any other data reader. public int GetInt32(string name) { return reader.

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im using datareader to get the data via the get now when the Anything that ...

im using datareader to get the data via the get now when the Anything that is not an "int" (including DBNull) will be converted to null. int?

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public override bool IsDBNull(int i) Call this method to check for null col...

public override bool IsDBNull(int i) Call this method to check for null column values before calling the typed get methods DataAdapters and DataReaders.

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Scrubbing Null Values from a DataReader return outValue; this with some cod...

Scrubbing Null Values from a DataReader return outValue; this with some code like this, which tests a null and non null value for 3 types.

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What is the best way to deal with nullable values being returned from the d...

What is the best way to deal with nullable values being returned from the database PayeeID { get { return _PayeeID; } set { _PayeeID = value; } } public void GetSite(int siteID) siteID); using (IDataReader dataReader = db.

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public DynamicDataReader(IDataReader dataReader) . return null; .. Call wit...

public DynamicDataReader(IDataReader dataReader) . return null; .. Call with parameter types - works only if no null values were passed.

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This will lead to a null reference exception. Before getting the ordinal va...

This will lead to a null reference exception. Before getting the ordinal values, you have to ensure that the reader can read. public static int GetOrdinalOrThrow(this SqlDataReader reader, string columnName). {. try.

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C# Check if SQLDataReader has field or field is null. Raw. Check if SQLData...

C# Check if SQLDataReader has field or field is null. Raw. Check if SQLDataReader for (int i = 0; i return res;. }.

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This is furthur enhanced to get even Enum types. return default(T); //Retur...

This is furthur enhanced to get even Enum types. return default(T); //Returns the default type of the value (string->null,int->0,int?->null).

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public static string GetStringNullable(this IDataReader reader, int ordinal...

public static string GetStringNullable(this IDataReader reader, int ordinal) { return dwn.220.v.uall(ordinal)? null: dwn.220.v.uaing(ordinal); }.

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This method or property cannot be called on Null values. to upon a connecti...

This method or property cannot be called on Null values. to upon a connection to MS SQL database and then return data using a datareader. . IDataReader Members public string GetString(int i) { if (_dataReader.

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