private void buttonEnter_Click(object sender, EventArgs e)
{
dir = labelDir.Text;
des = textBoxDes.Text;
//读取数据库
masterEntities db = new masterEntities();
var config = db.DbProfinet.AsNoTracking().ToList();
var temp = config.FirstOrDefault(m => m.reg == regNum.ToString());
if (temp != null)
{
//更新数据
DbProfinet u = new DbProfinet()
{
Id = temp.Id, reg = temp.reg, dir = dir, des = des
};
db.Entry <DbProfinet>(u).State = EntityState.Modified;
db.SaveChanges();
}
else
{
temp = new DbProfinet
{
reg = regNum.ToString(),
dir = dir,
des = des
};
db.DbProfinet.Add(temp);
db.SaveChanges();
}
this.DialogResult = DialogResult.OK;
}
/// <summary>
/// 清除描述
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void contextMenu_ClearDes_Click(object sender, EventArgs e)
{
if (doubleBufferListView1.SelectedItems.Count > 0)
{
DialogResult dr = MessageBox.Show("确定要清除寄存器信息吗?", "提示", MessageBoxButtons.OKCancel);
if (dr == DialogResult.OK)
{
//获取寄存器编号
int regNum = int.Parse(doubleBufferListView1.SelectedItems[0].SubItems[3].Text);
//更新数据库
var temp = dbProfinet.FirstOrDefault(m => m.reg == regNum.ToString());
if (temp != null)
{
//更新数据
DbProfinet u = new DbProfinet()
{
Id = temp.Id, reg = temp.reg, dir = "", des = ""
};
db.Entry <DbProfinet>(u).State = EntityState.Modified;
db.SaveChanges();
}
//更新传输方向
doubleBufferListView1.SelectedItems[0].SubItems[6].Text = "";
//更新描述
doubleBufferListView1.SelectedItems[0].SubItems[7].Text = "";
}
}
}
