this.txtBirthday.Text = (_row.Birthday==DBNull.value)?string.empty:Convert.toString(_row.Birthday) 这样,或者用IF 先判断呀
this.txtBirthday.Text = (_row.Birthday==Null)?string.empty:Convert.toString(_row.Birthday)
this.txtBirthday.Text = (_row.Birthday==DBNull.value)?string.empty:Convert.toString(_row.Birthday)
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