DbDataReader.GetDataTypeName(Int32) Method
Definition
Important
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When overridden in a derived class, gets name of the data type of the specified column.
public:
abstract System::String ^ GetDataTypeName(int ordinal);
public abstract string GetDataTypeName (int ordinal);
abstract member GetDataTypeName : int -> string
Public MustOverride Function GetDataTypeName (ordinal As Integer) As String
Parameters
- ordinal
- Int32
The zero-based column ordinal.
Returns
The name of the data type.
Implements
Exceptions
The column index is out of range.
Remarks
private static void GetDataTypes(String connectionString)
{
using (SqlConnection conn = new SqlConnection(connectionString))
{
String queryString = "Select [CourseID],[Title],[Credits] from [MySchool].[dbo].[Course]";
using (DbCommand command = new SqlCommand(queryString, conn))
{
conn.Open();
using (DbDataReader reader = command.ExecuteReader())
{
for (Int32 i = 0; i < reader.FieldCount; i++)
{
Console.WriteLine("ColumnName:{0,-15}DataType:{1,-15}",reader.GetName(i),reader.GetDataTypeName(i));
}
}
}
}
}
Applies to
See also
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