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List<T>的contains方法 用法实例

public class DataResult
{
  public string TypeName { get; set; }
  public Int16 Num { get; set; }
  public override bool Equals(object obj)
  {
    DataResult entity = obj as DataResult;
    if (entity != null)
    return entity.TypeName == this.TypeName;
    else return false;
  }
  public DataResult(string type)
  {
    this.TypeName = type;
  }
}

List<DataResult> list=...;

DataResult d1 = new DataResult("厨师");

bool b1= list.Contains(d1);

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