C#中ComboBox的SelectedIndexChanged事件获取Tag值

 

DataTable table = new DataTable;

 

/// <summary>
        /// 点击Cmb控件时获取Tag值
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>

private void cmbChoice_SelectedIndexChanged(object sender, EventArgs e)

{

        DataRow rows = table.Select("绑定显示字段= '" + cmbChoice.SelectedItem.ToString() + "'")[0];
            cmbChoice.Tag = rows["绑定值ID"].ToString();

}

 

/// <summary>
        /// 获取到ComboBoxTag值后进行其他操作
        /// </summary>
        /// <returns></returns>

public void GetInfo()

{

string cmbtag = cmbChoice.Tag;  //获取到当前选中的值

}