Adding buttons to the form dynamically

[kinannawaz]

HELP NEEDED IN C# SHARP??

I have been working on a project in c sharp i am trying to add buttons to the panel in my form when the user clicks a button "add more".

How will i do that add buttons to the panel in the form dynamically that (new button) should be placed on nextline.

[vanc]

HELP NEEDED IN C# SHARP??

I have been working on a project in c sharp i am trying to add buttons to the panel in my form when the user clicks a button "add more".

How will i do that add buttons to the panel in the form dynamically that (new button) should be placed on nextline.

Button aButton = new Button();
aButton.Name = "Button"; //you also can set height width
targetPanel.Con trols.Add(aButt on);

Cheers.

[kinannawaz]

Button aButton = new Button();
aButton.Name = "Button"; //you also can set height width
targetPanel.Con trols.Add(aButt on);

Cheers.

You r right but this only creates one button dynamically
I want to create buttons as long as user wants
I am posting my code that will add a textbox and a label to the panel of the form
It only prints one textbox and and label dynamically

private void button1_Click(o bject sender, EventArgs e)
{
j = j + 25;// increment the position of the labael and text box
this.textbox2.S ize = new System.Drawing. Size(75, 20);
this.textbox2.L ocation = new System.Drawing. Point(91, j);
this.textbox2.N ame.Equals("tex tbox" + i);

this.label2.Aut oSize = true;
this.label2.Loc ation = new System.Drawing. Point(13, j);
this.label2.Nam e.Equals("Enter number" + i);
this.label2.Siz e = new System.Drawing. Size(72, 13);
this.label2.Tex t = "Enter Number" + i;

this.panel1.Con trols.Add(this. textbox2);
this.panel1.Con trols.Add(this. label2);
i++;//increments the number of textbox an label added
}

[IMG]C:\Documents and Settings\NOUMAN \Desktop\untitl ed.bmp[/IMG]

[Plater]

What do you mean only creates one button dynamically?
It will make one button dynamically as many times as you call that code, for example on every button click.

I see your code does not actually create a new textbox and label but mearly move around some existing ones. Be sure to actually create NEW instances of the controls you want.

[kinannawaz]

What do you mean only creates one button dynamically?
It will make one button dynamically as many times as you call that code, for example on every button click.

I see your code does not actually create a new textbox and label but mearly move around some existing ones. Be sure to actually create NEW instances of the controls you want.

you r right when i run the program only the position of the label and textbox changes of that particular textbox and label nothing else .

the same textbox and label moves down the panel but nothing is added to the panel

how do i declare and initialize label and text box dynamically so that every time a button is clicked it declares and initialize a new textbox and label and adds it to the panel contol......
thx

[Plater]

It is shown in the code for adding a button given prior.

Textbox temptb = new TextBox();
Label templb = new Label();
//do stuff with them.
//like setting locations and whatnot

//then add them to your form
this.Controls.Add(temptb);
this.Controls.Add(templb);

[kinannawaz]

It is shown in the code for adding a button given prior.

Textbox temptb = new TextBox();
Label templb = new Label();
//do stuff with them.
//like setting locations and whatnot

//then add them to your form
this.Controls.Add(temptb);
this.Controls.Add(templb);

THANKS PLATER IT REALLY WORKED

THANK YOU

THANK YOU

[kinannawaz]

It is shown in the code for adding a button given prior.

Textbox temptb = new TextBox();
Label templb = new Label();
//do stuff with them.
//like setting locations and whatnot

//then add them to your form
this.Controls.Add(temptb);
this.Controls.Add(templb);

Thanks it worked my new modified function

private void call()
{
TextBox textbox1=new TextBox();
Label label1= new Label();

j = j + 25;
textbox1.Size = new System.Drawing. Size(75, 20);
textbox1.Locati on = new System.Drawing. Point(91, j);
textbox1.Name.E quals("textbox" + i);

label1.AutoSize = true;
label1.Location = new System.Drawing. Point(13, j);
label1.Name.Equ als("Enter number" + i);
label1.Size = new System.Drawing. Size(72, 13);
label1.Text = "Enter Number" + i;

this.panel1.Con trols.Add(textb ox1);
this.panel1.Con trols.Add(label 1);
i++;
}

The textboxes and labels works properly that are dynamically created


How do i get the values from these dynamically created textboxes when user clicks a button??

thx

[kinannawaz]

Here is the new code i have done to get the values from the dynamically created textboxes.
Every time this function is called a new textbox and label is added to the panel of my form.
How do i get the values from these dynamically creadted textboxes.
I have used an array to get the values but the vakues are not fetched from the textbox.

void create_label_te xtbox()
{
TextBox textBox1 = new TextBox();
Label label1 = new Label();

j = j + 25;
textBox1.Size = new System.Drawing. Size(75, 20);
textBox1.Locati on = new System.Drawing. Point(91, j);
textBox1.Name.E quals("textbox" + i);

label1.AutoSize = true;
label1.Location = new System.Drawing. Point(13, j);
label1.Name.Equ als("Enter number" + i);
label1.Size = new System.Drawing. Size(72, 13);
label1.Text = "Enter Number" + i;

this.panel1.Con trols.Add(textB ox1);
this.panel1.Con trols.Add(label 1);

//this is an error the value are not fetched from the text box how
// do i fetch values from the dynamically created textbox
array[i]=int.Parse(text Box1.Text.ToStr ing
i++;
}

[Plater]

Loop through the form's Controls collection for the .Name property of the control you want.

[kinannawaz]

I have made a new function to solve the problem to get the dynamically created controls from the windows forms and the panel inside the form but i am having a problem in it please help

public void call2()
{
string str="";
//Form.ControlCol lection formControls = new Form.ControlCol lection(Form3);

foreach (Control c in Controls)
{
if (c is TextBox)
str += c.Name;
else if (c is Label)
str += c.Name;
else if (c is Panel)
{
//get the control inside the panel

foreach (Control d in c) //it is an error as it does not allow me to do so
{
if (c is TextBox)
str += c.Name;
else
str += c.Name;
}
}
else if (c is Label)
str += c.Name;
else
str += c.Name;

}
MessageBox.Show (str);
}

[Plater]

foreach (Control d in c) //it is an error as it does not allow me to do so

c is a control, not a collection of controls, try c.Controls instead.

Also, you only allow for one extra level of children. What if the control you want is a child of a child of the main control? Like a textbox inside a groupbox inside another groupbox?