01-10-17, 10:25 AM
الربط DataBindings يتم مرة واحدة في بداية التشغيل
واستخدمت BindingSource بدلا من CurrencyManager وربطت الادوات بها بدلا من ربطها بالجدول مباشرة
واستخدمت BindingSource بدلا من CurrencyManager وربطت الادوات بها بدلا من ربطها بالجدول مباشرة
كود :
using System;
using System.Windows.Forms;
using System.Data;
using System.Data.OleDb;
using System.IO.Ports;
namespace Wiating_FullProgram
{
public partial class Form1 : Form
{
OleDbConnection cn = new OleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|\EmpImg.mdb");
OleDbCommand cmd;
BindingSource Bs = new BindingSource();
OleDbDataAdapter Da;
DataTable Dt = new DataTable();
OleDbCommandBuilder Cmdb;
string sqlstr;
public Form1()
{
InitializeComponent();
Bs.DataSource = Dt;
txtCardNum.DataBindings.Add("Text", Bs, "IDnum");
CoBoxMatrial.DataBindings.Add("Text", Bs, "MatName");
txtNum.DataBindings.Add("Text", Bs, "Crdnum");
txtCostmerName.DataBindings.Add("Text", Bs, "Namee");
txtCostmerCar.DataBindings.Add("Text", Bs, "CarName");
txtCarNum.DataBindings.Add("Text", Bs, "Carnumber");
CoBoxCarType.DataBindings.Add("Text", Bs, "CarType");
CoBoxWaitName.DataBindings.Add("Text", Bs, "WitName");
txtCarLoad.DataBindings.Add("Text", Bs, "Qty_Total");
txtCarSpiace.DataBindings.Add("Text", Bs, "Qty_Spece");
txtRuslt.DataBindings.Add("Text", Bs, "Result");
Da = new OleDbDataAdapter("Select * From tbl1", cn);
Da.Fill(Dt);
}
//Form_Load
private void Form1_Load(object sender, EventArgs e)
{
SerialPort mySerialPort = new SerialPort("COM4", 9600, Parity.None, 7, StopBits.One);
mySerialPort.DataReceived += new SerialDataReceivedEventHandler(mySerialPort_DataReceived);
mySerialPort.Open();
}
//comEvReceive
private void mySerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
SerialPort sp = (SerialPort)sender;
string data = sp.ReadExisting();
this.label1.BeginInvoke((MethodInvoker)delegate() { this.label1.Text = data; });
}
private void button1_Click(object sender, EventArgs e)
{
//Cm.EndCurrentEdit();
Bs.EndEdit();
Cmdb = new OleDbCommandBuilder(Da);
Da.Update(Dt);
MessageBox.Show("تمت الاضافة بنجاح", "الاضافة", MessageBoxButtons.OK, MessageBoxIcon.Information);
//lbl.Text = (Cm.Position + 1) + " / " + (Dt.Rows.Count);
}
private void btnReuslt_Click(object sender, EventArgs e)
{
int x, y, z;
x = Convert.ToInt32(txtCarLoad.Text);
y = Convert.ToInt32(txtCarSpiace.Text);
z = x - y;
txtRuslt.Text = Convert.ToString(z);
}
private void btnNew_Click(object sender, EventArgs e)
{
Bs.AddNew();
txtCardNum.Focus();
}
private void btnRecordNum_Click(object sender, EventArgs e)
{
OleDbCommand cmd = new OleDbCommand("Select count(*) from tbl1 ", cn);
cn.Open();
txtRecord.Text = cmd.ExecuteScalar().ToString();
cn.Close();
}
private void btnSearch_Click(object sender, EventArgs e)
{
Bs.Filter = "IDnum=" + txtSearch.Text;
}
}
}إقتباس :اذا أردت المساعدة من أي أحد لا تضع له مشروع فارغ
