C# (CSharp) ISqDataRecordReader.IsDBNull示例

示例#1

 public string?Read(ISqDataRecordReader recordReader, int ordinal)
 => !recordReader.IsDBNull(ordinal) ? recordReader.GetString(ordinal) : null;

示例#2

 public byte?ReadNullable(ISqDataRecordReader recordReader, int ordinal)
 => !recordReader.IsDBNull(ordinal) ? recordReader.GetByte(ordinal) : null;

示例#3

 public DateTime?Read(ISqDataRecordReader recordReader, int ordinal)
 => !recordReader.IsDBNull(ordinal) ? recordReader.GetDateTime(ordinal) : null;

示例#4

 public Guid?Read(ISqDataRecordReader recordReader, int ordinal)
 => !recordReader.IsDBNull(ordinal) ? recordReader.GetGuid(ordinal) : null;

示例#5

 public bool?Read(ISqDataRecordReader recordReader, int ordinal)
 => !recordReader.IsDBNull(ordinal) ? recordReader.GetBoolean(ordinal) : null;

示例#6

 public double?Read(ISqDataRecordReader recordReader, int ordinal)
 => !recordReader.IsDBNull(ordinal) ? recordReader.GetDouble(ordinal) : null;

示例#7

 public decimal?Read(ISqDataRecordReader recordReader, int ordinal)
 => !recordReader.IsDBNull(ordinal) ? recordReader.GetDecimal(ordinal) : null;

示例#8

 public long?Read(ISqDataRecordReader recordReader, int ordinal)
 => !recordReader.IsDBNull(ordinal) ? recordReader.GetInt64(ordinal) : null;

示例#9

 public int?Read(ISqDataRecordReader recordReader, int ordinal)
 => !recordReader.IsDBNull(ordinal) ? recordReader.GetInt32(ordinal) : null;

示例#10

 public short?ReadNullable(ISqDataRecordReader recordReader, int ordinal)
 => !recordReader.IsDBNull(ordinal) ? recordReader.GetInt16(ordinal) : null;

示例#11

 public byte[]? Read(ISqDataRecordReader recordReader, int ordinal)
 => !recordReader.IsDBNull(ordinal) ? (byte[])recordReader.GetValue(ordinal) : null;