в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

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2010-05-26T12:15:22Z

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==Bind Client Size to Label==

<source lang="csharp">using System;
using System.Drawing;
using System.Windows.Forms;
class WhatClientSize: Form
{
[STAThread]
public static void Main()
{
Application.EnableVisualStyles();
Application.Run(new WhatClientSize());
}
public WhatClientSize()
{
Text = "What Client Size?";
Label lbl = new Label();
lbl.Parent = this;
lbl.AutoSize = true;
lbl.DataBindings.Add("Text", this, "ClientSize");
}
}</source>

==Data binding to a programatically created dataset==

<source lang="csharp">using System;
using System.Drawing;
using System.Collections;
using System.Data;
using System.ruponentModel;
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());
}
}</source>

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в 15:31, 26 мая 2010

Admin: 1 версия