Csharp/CSharp Tutorial/GUI Windows Forms/DateTimePicker
DateTimePicker custom format
<source lang="csharp">using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class Form1 : System.Windows.Forms.Form {
private System.Windows.Forms.DateTimePicker dateTimePicker1;
private System.Windows.Forms.DateTimePicker dateTimePicker2;
private System.Windows.Forms.DateTimePicker dateTimePicker3;
private System.Windows.Forms.DateTimePicker dateTimePicker4;
private System.Windows.Forms.DateTimePicker dateTimePicker5;
private System.Windows.Forms.DateTimePicker dateTimePicker6;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.Label label7;
public Form1() {
this.dateTimePicker1 = new System.Windows.Forms.DateTimePicker();
this.dateTimePicker2 = new System.Windows.Forms.DateTimePicker();
this.dateTimePicker3 = new System.Windows.Forms.DateTimePicker();
this.dateTimePicker4 = new System.Windows.Forms.DateTimePicker();
this.dateTimePicker5 = new System.Windows.Forms.DateTimePicker();
this.dateTimePicker6 = new System.Windows.Forms.DateTimePicker();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.label4 = new System.Windows.Forms.Label();
this.label5 = new System.Windows.Forms.Label();
this.label7 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// dateTimePicker1
//
this.dateTimePicker1.CustomFormat = "hh:mm:s : MM/dd/yy";
this.dateTimePicker1.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
this.dateTimePicker1.Location = new System.Drawing.Point(16, 16);
this.dateTimePicker1.Name = "dateTimePicker1";
this.dateTimePicker1.Size = new System.Drawing.Size(240, 20);
this.dateTimePicker1.TabIndex = 0;
//
// dateTimePicker2
//
this.dateTimePicker2.CustomFormat = "h/mm/ss : dd.MM.yyyy";
this.dateTimePicker2.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
this.dateTimePicker2.Location = new System.Drawing.Point(16, 56);
this.dateTimePicker2.Name = "dateTimePicker2";
this.dateTimePicker2.Size = new System.Drawing.Size(240, 20);
this.dateTimePicker2.TabIndex = 0;
//
// dateTimePicker3
//
this.dateTimePicker3.CustomFormat = "HH-mm-ss : MMMM/dd/yyyy tt";
this.dateTimePicker3.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
this.dateTimePicker3.Location = new System.Drawing.Point(16, 88);
this.dateTimePicker3.Name = "dateTimePicker3";
this.dateTimePicker3.Size = new System.Drawing.Size(240, 20);
this.dateTimePicker3.TabIndex = 0;
//
// dateTimePicker4
//
this.dateTimePicker4.CustomFormat = "tt hh/mm/ss : dddd.MMMM.yyyy";
this.dateTimePicker4.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
this.dateTimePicker4.Location = new System.Drawing.Point(16, 200);
this.dateTimePicker4.Name = "dateTimePicker4";
this.dateTimePicker4.Size = new System.Drawing.Size(240, 20);
this.dateTimePicker4.TabIndex = 0;
//
// dateTimePicker5
//
this.dateTimePicker5.CustomFormat = "HH/mm/ss : ddd-MM-yy";
this.dateTimePicker5.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
this.dateTimePicker5.Location = new System.Drawing.Point(16, 160);
this.dateTimePicker5.Name = "dateTimePicker5";
this.dateTimePicker5.Size = new System.Drawing.Size(240, 20);
this.dateTimePicker5.TabIndex = 0;
//
// dateTimePicker6
//
this.dateTimePicker6.CustomFormat = "hh/mm/ss : dddd MMMM yyyy tt";
this.dateTimePicker6.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
this.dateTimePicker6.Location = new System.Drawing.Point(16, 128);
this.dateTimePicker6.Name = "dateTimePicker6";
this.dateTimePicker6.Size = new System.Drawing.Size(240, 20);
this.dateTimePicker6.TabIndex = 0;
this.dateTimePicker6.Value = new System.DateTime(2002, 5, 14, 14, 28, 0, 0);
//
// label1
//
this.label1.Font = new System.Drawing.Font("Courier New", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.label1.Location = new System.Drawing.Point(264, 16);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(352, 23);
this.label1.TabIndex = 1;
this.label1.Text = "Format : hh:mm:ss : MM/dd/yy";
//
// label2
//
this.label2.Font = new System.Drawing.Font("Courier New", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.label2.Location = new System.Drawing.Point(264, 56);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(352, 23);
this.label2.TabIndex = 2;
this.label2.Text = "Format : h/mm/ss : dd.MM.yyyy";
//
// label3
//
this.label3.Font = new System.Drawing.Font("Courier New", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.label3.Location = new System.Drawing.Point(264, 88);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(352, 23);
this.label3.TabIndex = 3;
this.label3.Text = "Format : HH-mm-ss : MMMM/dd/yyyy tt";
//
// label4
//
this.label4.Font = new System.Drawing.Font("Courier New", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.label4.Location = new System.Drawing.Point(264, 160);
this.label4.Name = "label4";
this.label4.RightToLeft = System.Windows.Forms.RightToLeft.No;
this.label4.Size = new System.Drawing.Size(352, 23);
this.label4.TabIndex = 5;
this.label4.Text = "Format : HH/mm/ss : ddd-MM-yy";
//
// label5
//
this.label5.Font = new System.Drawing.Font("Courier New", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.label5.Location = new System.Drawing.Point(264, 128);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(352, 23);
this.label5.TabIndex = 4;
this.label5.Text = "Format : hh/mm/ss : dddd MMMM yyyy tt";
//
// label7
//
this.label7.Font = new System.Drawing.Font("Courier New", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.label7.Location = new System.Drawing.Point(264, 200);
this.label7.Name = "label7";
this.label7.Size = new System.Drawing.Size(352, 23);
this.label7.TabIndex = 6;
this.label7.Text = "Format : tt hh/mm/ss : dddd.MMMM.yyyy";
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(632, 245);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.label7,
this.label4,
this.label5,
this.label3,
this.label2,
this.label1,
this.dateTimePicker1,
this.dateTimePicker2,
this.dateTimePicker3,
this.dateTimePicker4,
this.dateTimePicker5,
this.dateTimePicker6});
this.Name = "Form1";
this.Text = "DateTime Formats";
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);
}
[STAThread]
static void Main() {
Application.Run(new Form1());
}
private void Form1_Load(object sender, System.EventArgs e) {
}
}</source>
DateTimePicker Event and selected value
<source lang="csharp">using System; using System.Drawing; using System.Windows.Forms; public class Calendar : Form {
MonthCalendar mc;
DateTimePicker dtpStart;
DateTimePicker dtpEnd;
DateTimePicker dtpBold;
Label lblStart;
Label lblEnd;
Label lblStartDay;
Label lblBold;
ComboBox cmbStart;
Button btnBoldDay;
Button btnBoldMonthly;
Button btnBoldAnnually;
public Calendar()
{
Size = new Size(650,450);
this.Load += new EventHandler(this_Load);
mc = new MonthCalendar();
mc.Parent = this;
mc.Location = new Point(20,20);
mc.Font = new Font("Times New Roman", 14);
mc.CalendarDimensions = new Size(2,1);
mc.FirstDayOfWeek = Day.Monday;
mc.MaxSelectionCount = 45;
mc.DateChanged += new DateRangeEventHandler(mc_DateChanged);
mc.DateSelected += new DateRangeEventHandler(mc_DateSelected);
lblStart = new Label();
lblStart.Parent = this;
lblStart.Text = "Start Date:";
dtpStart = new DateTimePicker();
dtpStart.Parent = this;
dtpStart.Size = new Size((int)(Font.Height * .6) *
dtpStart.Value.ToString("D").Length,
dtpStart.PreferredHeight);
dtpStart.Format = DateTimePickerFormat.Long;
dtpStart.ShowUpDown = true;
dtpStart.ValueChanged += new EventHandler(dtpStart_ValueChanged);
lblEnd = new Label();
lblEnd.Parent = this;
lblEnd.Text = "End Date:";
dtpEnd = new DateTimePicker();
dtpEnd.Parent = this;
dtpEnd.Size = new Size((int)(Font.Height * .6) *
dtpEnd.Value.ToString("D").Length,
dtpEnd.PreferredHeight);
dtpEnd.Format = DateTimePickerFormat.Long;
dtpEnd.ShowUpDown = true;
dtpEnd.ValueChanged += new EventHandler(dtpEnd_ValueChanged);
lblStartDay = new Label();
lblStartDay.Parent = this;
lblStartDay.Text = "Start Day:";
cmbStart = new ComboBox();
cmbStart.Parent = this;
cmbStart.DropDownStyle = ComboBoxStyle.DropDownList;
cmbStart.Items.AddRange(new object[] {"Monday",
"Tuesday",
"Wednesday",
"Thursday",
"Friday",
"Saturday",
"Sunday"});
cmbStart.SelectedIndex = 0;
cmbStart.SelectedIndexChanged += new EventHandler(cmbStart_SelectedIndexChanged);
lblBold = new Label();
lblBold.Parent = this;
lblBold.Text = "Bold Day:";
dtpBold = new DateTimePicker();
dtpBold.Parent = this;
dtpBold.Size = new Size((int)(Font.Height ) *
dtpBold.Value.ToString("d").Length,
dtpBold.PreferredHeight);
dtpBold.Format = DateTimePickerFormat.Short;
dtpBold.ShowUpDown = true;
btnBoldDay = new Button();
btnBoldDay.Parent = this;
btnBoldDay.Text = "Add Bold Day";
btnBoldDay.Size = new Size((int)(Font.Height * .6) *
btnBoldDay.Text.Length,
(int)(Font.Height * 1.75));
btnBoldDay.Click += new EventHandler(btnBoldDay_Click);
btnBoldMonthly = new Button();
btnBoldMonthly.Parent = this;
btnBoldMonthly.Text = "Add Bold Day Monthly";
btnBoldMonthly.Size = new Size((int)(Font.Height * .6) *
btnBoldMonthly.Text.Length,
(int)(Font.Height * 1.75));
btnBoldMonthly.Click += new EventHandler(btnBoldMonthly_Click);
btnBoldAnnually = new Button();
btnBoldAnnually.Parent = this;
btnBoldAnnually.Text = "Add Bold Day Annually";
btnBoldAnnually.Size = new Size((int)(Font.Height * .6) *
btnBoldAnnually.Text.Length,
(int)(Font.Height * 1.75));
btnBoldAnnually.Click += new EventHandler(btnBoldAnnually_Click);
}
static void Main()
{
Application.Run(new Calendar());
}
private void this_Load(object sender, EventArgs e)
{
lblStart.Location = new Point(mc.Left, mc.Bottom + 10);
dtpStart.Location = new Point(lblStart.Right, mc.Bottom + 10);
lblEnd.Location = new Point(mc.Left, lblStart.Bottom + 5);
dtpEnd.Location = new Point(lblStart.Right, lblStart.Bottom + 5);
lblStartDay.Location = new Point(mc.Left, lblEnd.Bottom + 5);
cmbStart.Location = new Point(lblStart.Right, lblEnd.Bottom + 5);
lblBold.Location = new Point(mc.Left, lblStartDay.Bottom + 5);
dtpBold.Location = new Point(lblBold.Right,
lblStartDay.Bottom + 5);
btnBoldDay.Location = new Point(dtpBold.Right + 10, dtpBold.Top);
btnBoldMonthly.Location = new Point(btnBoldDay.Right,
dtpBold.Top);
btnBoldAnnually.Location = new Point(btnBoldMonthly.Right,
dtpBold.Top);
}
private void dtpStart_ValueChanged(object sender, EventArgs e)
{
mc.SelectionStart = dtpStart.Value;
}
private void dtpEnd_ValueChanged(object sender, EventArgs e)
{
mc.SelectionEnd = dtpEnd.Value;
}
private void mc_DateChanged(object sender, DateRangeEventArgs e)
{
MessageBox.Show("DateChanged");
dtpStart.Value = e.Start;
dtpEnd.Value = e.End;
}
private void mc_DateSelected(object sender, DateRangeEventArgs e)
{
MessageBox.Show("DateSelected");
}
private void cmbStart_SelectedIndexChanged(object sender,
EventArgs e)
{
mc.FirstDayOfWeek = (Day)cmbStart.SelectedIndex;
}
private void btnBoldDay_Click(object sender, EventArgs e)
{
mc.AddBoldedDate(dtpBold.Value);
mc.UpdateBoldedDates();
}
private void btnBoldMonthly_Click(object sender, EventArgs e)
{
mc.AddMonthlyBoldedDate(dtpBold.Value);
mc.UpdateBoldedDates();
}
private void btnBoldAnnually_Click(object sender, EventArgs e)
{
mc.AddAnnuallyBoldedDate(dtpBold.Value);
mc.UpdateBoldedDates();
}
}</source>
DateTimePicker: look and feel and data format
<source lang="csharp">using System; using System.Drawing; using System.Windows.Forms; public class DTPicker : Form {
DateTimePicker dtp;
public DTPicker()
{
Size = new Size(400,300);
this.Load += new EventHandler(this_Load);
dtp = new DateTimePicker();
dtp.Parent = this;
dtp.Location = new Point(20,20);
dtp.Size = new Size(ClientSize.Width - 40, dtp.PreferredHeight);
dtp.Anchor = AnchorStyles.Top | AnchorStyles.Left |
AnchorStyles.Right;
Font fnt = new Font("Times New Roman", 16);
dtp.CalendarFont = new Font(fnt,
FontStyle.Bold | FontStyle.Italic);
dtp.CalendarForeColor = Color.Red;
dtp.CalendarMonthBackground = Color.Yellow;
dtp.CalendarTitleBackColor = Color.Lime;
dtp.CalendarTitleForeColor = Color.Blue;
dtp.CalendarTrailingForeColor = Color.FromArgb(255,192,192);
dtp.CustomFormat = "dddd,MMMM d, yyyy "at" h:mm:ss tt";
dtp.Format = DateTimePickerFormat.Custom;
dtp.DropDownAlign = LeftRightAlignment.Right;
dtp.ShowUpDown = false; // default
dtp.ValueChanged +=
new EventHandler(dtp_ValueChanged);
}
static void Main()
{
Application.Run(new DTPicker());
}
private void UpdateLabels()
{
Console.WriteLine( dtp.Value.ToString() );
Console.WriteLine( dtp.Value.ToLongDateString() );
Console.WriteLine( dtp.Value.ToLongTimeString() );
Console.WriteLine( dtp.Value.ToShortDateString() );
Console.WriteLine( dtp.Value.ToShortTimeString() );
}
private void this_Load(object sender, EventArgs e)
{
UpdateLabels();
}
private void dtp_ValueChanged(object sender, EventArgs e)
{
UpdateLabels();
}
private void txtCustomString_TextChanged(object sender, EventArgs e)
{
UpdateLabels();
}
}</source>
