DbDataReader.GetInt32(Int32) Method

Definition

Namespace:

System.Data.Common

Assemblies:

netstandard.dll, System.Data.Common.dll

Source:

DbDataReader.cs

When overridden in a derived class, gets the value of the specified column as a 32-bit signed integer.

C#

public abstract int GetInt32(int ordinal);

Parameters

ordinal

Int32

The zero-based column ordinal.

Returns

Int32

The value of the specified column.

Implements

GetInt32(Int32)

Exceptions

IndexOutOfRangeException

The column index is out of range.

InvalidCastException

The specified cast is not valid.

Remarks

C#

private static void GetCredits(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())
            {
                while (reader.Read())
                {
                    // Credits column is the integer column, and you can use the GetInt32 method
                    // to return a 32-bit signed integer.
                    Console.WriteLine("Course:{0,-15} Credits:{1}",reader[1],reader.GetInt32(2));
                }
            }
        }
    }
}

Applies to

See also

• ADO.NET Overview