i have created a splitterLocation setting, Type system.Drawing.Point and Scope : User. to save the splitter location when the user change it. and load again with the new location when the form load.
private void splitter1_LocationChanged(object sender, EventArgs e)
{
MailSystem.Properties.Settings.Default.splitterLocation = splitter1.Location;
MailSystem.Properties.Settings.Default.Save();
}
private void Form1_Load(object sender, EventArgs e)
{
splitter1.Location = MailSystem.Properties.Settings.Default.splitterLocation;
}
but it doesnt work i dont know why ?.
Try moving the saving code to the FormClosing event.
private void Form1_FormClosing(object sender, EventArgs e)
{
MailSystem.Properties.Settings.Default.splitterLocation = splitter1.Location;
MailSystem.Properties.Settings.Default.Save();
}
and make sure your splitter1 control isn't being docked, DockStyle.None.
Related
Scenario: Only If the user follow the path Click on ListView > Click on Button the Button1 do something.
In other word I want to check in Button1_Click(object sender, EventArgs e) if the previous focus was on ListView.
So I tried this:
private void ListView_Test_Leave(object sender, EventArgs e)
{
_focusedControl = null;
}
I want raise previous event except when this event is raised:
private void Button1_Click(object sender, EventArgs e)
{
if(_focusedControl == listView_Test)
{
// ...
}
}
Edit: I have a variable that holds a reference to the currently focused control:
private Control _focusedControl;
and I update it in this way:
private void ListView_Test_GotFocus(object sender, EventArgs e)
{
_focusedControl = (Control)sender;
}
If the user follow the path Click on ListView > Click on Button I want raise only the Button1_Click event, in all other case I want normal raise.
You could use a helper variable.
bool wasRaised=false;
private void Button1_Click(object sender, EventArgs e) { wasRaised=true;}
Then you can check that variable in your event, and only run if it is false.
I have a bound datagridview and I want to check before inserting a username if that username already exists or not in my database. I insert values to dgv and database through a textBox. Thanks in advance..
private void user1BindingNavigatorSaveItem_Click(object sender, EventArgs e)
{
this.Validate();
this.user1BindingSource2.EndEdit();
this.tableAdapterManager2.UpdateAll(this.databasDataSet);
}
private void Form2_Load(object sender, EventArgs e)
{
// TODO: This line of code loads data into the 'databasDataSet.user1' table. You can move, or remove it, as needed.
this.user1TableAdapter2.Fill(this.databasDataSet.user1);
user1DataGridView.Columns[0].Visible = false;
passwordTextBox.PasswordChar ='*';
}
private void add_new_button_Click(object sender, EventArgs e)
{
this.user1BindingSource2.AddNew();
}
private void save_button_Click(object sender, EventArgs e)
{
this.Validate();
this.user1BindingSource2.EndEdit();
this.tableAdapterManager2.UpdateAll(this.databasDataSet);
}
private void delete_button_Click(object sender, EventArgs e)
{
this.user1BindingSource2.RemoveCurrent();
}
To validate anything on the server-side (the existence of the username in your case) there is CustomValidator control. Add it to your page and attach it to your username TextBox. Then place your validation code to ServerValidate event handler.
I have many controls in my form. for example 120 labels in one panel. and i want when user clicked on each label just call same function with same parameter.
Now i used like this :
private void label67_Click(object sender, EventArgs e)
{
ChangeToTextbox(sender);
}
private void label66_Click(object sender, EventArgs e)
{
ChangeToTextbox(sender);
}
private void label65_Click(object sender, EventArgs e)
{
ChangeToTextbox(sender);
}
private void label64_Click(object sender, EventArgs e)
{
ChangeToTextbox(sender);
}
now can i make easy way to call ChangeToTextbox function when user clicked in any label?
Add the same OnClick handler for all labels on the panel:
private void Form1_Load(object sender, EventArgs e)
{
panel1.Controls.OfType<Label>().ToList().ForEach(l => l.Click += label_Click);
}
private void label_Click(object sender, EventArgs e)
{
ChangeToTextbox(sender);
}
Find all your controls then just add the handler via code;
List<Control> controls = GetAllMyControls();
foreach(Control control in controls)
{
control.OnClick += (o, e) => { ChangeToTextBox(o); }
}
The syntax should be very similar for both web and winform solutions.
It can be easily achieved by using following approach: Pls give a try,
1) Go to Windows Forms Designer and click the first Label control to select it. Then hold down the CTRL key while you click each of the other labels to select them. Be sure that every label is selected.
2) Then go to the Events page in the Properties window. Scroll down to the Click event, and type label_Click in the box
3) Press ENTER. The IDE adds a Click event handler called label_Click() to the code, and hooks it to each of the labels.
private void label_Click(object sender, EventArgs e)
{
ChangeToTextbox(sender);
}
Reference: http://msdn.microsoft.com/en-us/library/dd553231.aspx
I need to call btn_submit_Click(object sender, EventArgs e) from another method protected void Timer1_Tick(object sender, EventArgs e) which normally calls by a button click.
Now here in Timer1_Tick compares a time and if current time exceeds, i need to call btn_submit_Click(object sender, EventArgs e) automatically.
protected void Timer1_Tick(object sender, EventArgs e)
{
DateTime et = DateTime.Parse(Session["endtime"].ToString());
if (DateTime.Now.TimeOfDay >= et.TimeOfDay)
{
// btn_submit_Click();
Response.Redirect("Welcome.aspx");
}
else
{
Label1.Text = DateTime.Now.ToLongTimeString();
}
}
Please suggest me a way to do this.
Personally I would take a slightly different approach. You're not actually trying to say that a button was clicked - you're just interested in the same side effects as a button click. So extract a third method which only has the relevant parameters (there may not be any) and call that method from both btn_submit_Click and Timer1_Tick. That way you don't have to come up with a sender and EventArgs for a button click which didn't happen. So for example:
protected void btn_submit_Click(object sender, EventArgs e)
{
// Maybe validation?
Submit();
}
protected void Timer1_Tick(object sender, EventArgs e)
{
DateTime et = DateTime.Parse(Session["endtime"].ToString());
if (DateTime.Now.TimeOfDay >= et.TimeOfDay)
{
Submit();
Response.Redirect("Welcome.aspx");
}
else
{
Label1.Text = DateTime.Now.ToLongTimeString();
}
}
private void Submit()
{
// Common code to execute on either the timer tick or button click
}
Jon Skeet mentioned the right approach. Refactor the code in your btn_submit_click into a central method that can be called by both Button and Timer. But you can still do submit_click(sender, e)
protected void Timer1_Tick(object sender, EventArgs e)
{
....
btn_submit_Click(sender, e);
...
}
I've got a form I've created with 4 buttons that will modify a listView, each with their own click event. I'm wondering as a way to avoid adding a method call in each of these buttons if it their is an event available for after a button has finished executing its click event?
The reason for this is so I can update the listView which will in turn update a webBrowser
Here's an example which results in "1" and then "all" being displayed to the user when button 1 is clicked, "2" and then "all" when button 2 is clicked etc etc.
Note: you don't want to do it like this - see comments
public Form1()
{
InitializeComponent();
foreach(var b in Controls.OfType<Button>())
b.Click += new EventHandler(AnyButton_Click);
}
void AnyButton_Click(object sender, EventArgs e)
{
MessageBox.Show("all");
}
private void button1_Click(object sender, EventArgs e)
{
MessageBox.Show("1");
}
private void button3_Click(object sender, EventArgs e)
{
MessageBox.Show("3");
}
private void button2_Click(object sender, EventArgs e)
{
MessageBox.Show("2");
}