Data binding to a programatically created dataset : DataBinding Label : GUI Windows Forms C# Examples


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Data binding to a programatically created dataset









    
using  System;
using  System.Drawing;
using  System.Collections;
using  System.Data;
using  System.ComponentModel;
using  System.Windows.Forms;

public  class  DataBindingDataSet  :  System.Windows.Forms.Form
{
        private  Label  lbl_first=  new  Label();
        private  Label  lbl_name=  new  Label();
        private  Label  lbl_title=  new  Label();
        private  Label  lbl_company=  new  Label();
        private  Label  lbl_phone  =  new  Label();
        private  TextBox  FirstName  =  new  TextBox();
        private  TextBox  SurName  =  new  TextBox();
        private  TextBox  Title  =  new  TextBox();
        private  TextBox  Company  =  new  TextBox();
        private  TextBox  Phone  =  new  TextBox();
        private  Button  btnNext  =  new  Button();
        private  Button  btnPrev  =  new  Button();
        private  Button  btnNew  =  new  Button();
        private  Button  btnEnd  =  new  Button();
        private  DataSet  dataset  =  new  DataSet("ContactData");

        private  void  OnPrev(Object  sender,EventArgs  e)
        {
        this.BindingContext[dataset.Tables["Contacts"]].Position--;
        }

        private  void  OnNext(Object  sender,EventArgs  e)
        {
        this.BindingContext[dataset.Tables["Contacts"]].Position++;
        }

        private  void  OnNew(Object  sender,  EventArgs  e)
        {
                NewEntry();
        }

        private  void  OnEnd(Object  sender,  EventArgs  e)
        {
                Application.Exit();
        }

        private  void  MoveToEnd()
        {
        this.BindingContext[dataset.Tables["Contacts"]].Position=dataset.Tables["Contacts"].Rows.Count-1;
        }

        private  void  NewEntry()
        {
                DataRow  row  =  dataset.Tables["Contacts"].NewRow();
                row["First"]="Blank";
                row["Name"]="default  name";
                row["Company"]="default  company";
                row["Title"]="no  title";
                row["Phone"]="999-999-9999";
                dataset.Tables[0].Rows.Add(row);
                dataset.AcceptChanges();
                MoveToEnd();
        }

        public  DataBindingDataSet()
        {
        this.AutoScaleBaseSize  =  new  System.Drawing.Size  (5,  13);
        this.ClientSize  =  new  System.Drawing.Size  (250,  200);
        this.FormBorderStyle  =  FormBorderStyle.Fixed3D;

                lbl_first.Text="First  name";
                lbl_first.Location  =  new  Point(5,5);
                lbl_first.Size  =  new  Size(120,28);
                lbl_first.Anchor  =  AnchorStyles.Left  |  AnchorStyles.Right;
                Controls.Add(lbl_first);

                FirstName.Location  =  new  Point(125,5);
                FirstName.Size  =  new  Size(120,28);
                FirstName.Anchor  =  AnchorStyles.Left  |  AnchorStyles.Right;
                Controls.Add(FirstName);

                lbl_name.Text="Surname";
                lbl_name.Location  =  new  Point(5,35);
                lbl_name.Size  =  new  Size(120,28);
                lbl_name.Anchor  =  AnchorStyles.Left|AnchorStyles.Right;
                Controls.Add(lbl_name);

                SurName.Location  =  new  Point(125,35);
                SurName.Size  =  new  Size(120,28);
                SurName.Anchor  =  AnchorStyles.Left  |  AnchorStyles.Right;
                Controls.Add(SurName);

                lbl_company.Text="Company";
                lbl_company.Location  =  new  Point(5,65);
                lbl_company.Size  =  new  Size(120,28);
                Controls.Add(lbl_company);

                Company.Location  =  new  Point(125,65);
                Company.Size  =  new  Size(120,28);
                Controls.Add(Company);

                lbl_title.Text="Title";
                lbl_title.Location  =  new  Point(5,95);
                lbl_title.Size  =  new  Size(120,28);
                Controls.Add(lbl_title);

                Title.Location  =  new  Point(125,95);
                Title.Size  =  new  Size(120,28);
                Controls.Add(Title);

                lbl_phone.Text="Telephone";
                lbl_phone.Location  =  new  Point(5,125);
                lbl_phone.Size  =  new  Size(120,28);
                Controls.Add(lbl_phone);

                Phone.Location  =  new  Point(125,125);
                Phone.Size  =  new  Size(120,28);
                Controls.Add(Phone);

                btnNew.Location  =  new  Point(5,155);
                btnNew.Size  =  new  Size(70,28);
                btnNew.Text="New";
                btnNew.Click+=new  EventHandler(OnNew);
                Controls.Add(btnNew);

                btnPrev.Location  =  new  Point(80,155);
                btnPrev.Size  =  new  Size(35,28);
                btnPrev.Text="<<";
                btnPrev.Click  +=  new  EventHandler(OnPrev);
                Controls.Add(btnPrev);

                btnEnd.Location  =  new  Point(120,155);
                btnEnd.Size  =  new  Size(70,28);
                btnEnd.Text="End";
                btnEnd.Click  +=  new  EventHandler(OnEnd);
                Controls.Add(btnEnd);

                btnNext.Location  =  new  Point(200,155);
                btnNext.Size  =  new  Size(35,28);
                btnNext.Text=">>";
                btnNext.Click  +=  new  EventHandler(OnNext);
                Controls.Add(btnNext);

                DataTable  t=new  DataTable("Contacts");
                t.Columns.Add("First",typeof(System.String));
                t.Columns.Add("Name",typeof(System.String));
                t.Columns.Add("Company",typeof(System.String));
                t.Columns.Add("Title",typeof(System.String));
                t.Columns.Add("Phone",typeof(System.String));
                t.MinimumCapacity=100;
                dataset.Tables.Add(t);

                NewEntry();

                FirstName.DataBindings.Add("Text",dataset.Tables["Contacts"],"First");
                SurName.DataBindings.Add("Text",dataset.Tables["Contacts"],"Name");
                Title.DataBindings.Add("Text",dataset.Tables["Contacts"],"Title");
                Company.DataBindings.Add("Text",dataset.Tables["Contacts"],"Company");
                Phone.DataBindings.Add("Text",dataset.Tables["Contacts"],"Phone");
        }

        static  void  Main()
        {
                Application.Run(new  DataBindingDataSet());
        }
}
    
   
  
   




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