将数据库的现有值显示到表单域中

Question

如何将数据库（sqllite）中的数据导入下拉按钮并根据所选值检索datagrid上的所有匹配值或django中的csv

class AnalyzedFile(models.Model):

    sha256 = models.CharField(db_column='SHA256', max_length=64, blank=True)  
    md5 = models.CharField(db_column='MD5', max_length=32, blank=True) 
    sha1 = models.CharField(db_column='SHA1', max_length=40, blank=True) 
    filename = models.CharField(db_column='FILENAME', max_length=5000, blank=True)
    filelength = models.IntegerField(db_column='FILELENGTH', blank=True, null=True) 
    filetype = models.CharField(db_column='FILETYPE', max_length=3, blank=True)
    fileentropy = models.CharField(db_column='FILEENTROPY', max_length=50, blank=True)  
    peidsig = models.CharField(db_column='PEIDSIG', max_length=1000, blank=True)  
    exeinfosig = models.CharField(db_column='EXEINFOSIG', max_length=1000, blank=True)
    ssdeepsig = models.CharField(db_column='SSDEEPSIG', max_length=200, blank=True) 
    digitalsig = models.CharField(db_column='DIGITALSIG', max_length=100, blank=True) 
    description = models.CharField(db_column='DESCRIPTION', max_length=65000, blank=True)  # Field name made lowercase.
    analysis = models.CharField(db_column='ANALYSIS', max_length=65000, blank=True)  
    class Meta:
        managed = False
        db_table = 'ANALYZED_FILE'