/// <summary>
/// 創建一個實例，栏位类型為默认的String类型，长度為无限制，允許為空
/// </summary>
/// <param name="column"></param>
/// <returns></returns>
public static ColumnP CreatInstanse(string column)
{
ColumnP cp = new ColumnP();
cp.ColumnName = column;
return(cp);
}
/// <summary>
/// 創建一個實例，長度為無限制，允許為空
/// </summary>
/// <param name="column"></param>
/// <param name="type"></param>
/// <returns></returns>
public static ColumnP CreatInstanse(string column, string type)
{
ColumnP cp = new ColumnP();
cp.ColumnName = column;
cp.DataType = type;
return(cp);
}
/// <summary>
/// 創建一個實例，允許為空
/// </summary>
/// <param name="column"></param>
/// <param name="type"></param>
/// <param name="MaxLength"></param>
/// <returns></returns>
public static ColumnP CreatInstanse(string column, string type, int MaxLength)
{
ColumnP cp = new ColumnP();
cp.ColumnName = column;
cp.DataType = type;
cp.Length = MaxLength;
return(cp);
}