How to write a list of array in a for loop?

Question

Hi I neeed to do this one in a loop, but I don't have any idea how to do. I can't do this by just simply incrementing it.

CheckBox[] checkboxarray;

checkboxarray = new CheckBox[] { 
    txtChckBx0,  txtChckBx1,  txtChckBx2,  txtChckBx3,  txtChckBx4,  txtChckBx5, 
    txtChckBx6,  txtChckBx7,  txtChckBx8,  txtChckBx9,  txtChckBx10, txtChckBx11, 
    txtChckBx12, txtChckBx13, txtChckBx14, txtChckBx15, txtChckBx16, txtChckBx17, 
    txtChckBx18, txtChckBx19, txtChckBx20, txtChckBx21, txtChckBx22, txtChckBx23, 
    txtChckBx24, txtChckBx25, txtChckBx26, txtChckBx27, txtChckBx28, txtChckBx29, 
    txtChckBx30, txtChckBx31, txtChckBx32, txtChckBx33, txtChckBx34, txtChckBx35, 
    txtChckBx36, txtChckBx37, txtChckBx38, txtChckBx39, txtChckBx40, txtChckBx41, 
    txtChckBx42, txtChckBx43, txtChckBx44, txtChckBx45, txtChckBx46, txtChckBx47, 
    txtChckBx48, txtChckBx49, txtChckBx50, txtChckBx51, txtChckBx52, txtChckBx53,
    txtChckBx54, txtChckBx55, txtChckBx56, txtChckBx57, txtChckBx58, txtChckBx59, 
    txtChckBx60, txtChckBx61, txtChckBx62, txtChckBx63, txtChckBx64, txtChckBx65, 
    txtChckBx66, txtChckBx67, txtChckBx68, txtChckBx69, txtChckBx70, txtChckBx71, 
    txtChckBx72, txtChckBx73, txtChckBx74, txtChckBx75, txtChckBx76, txtChckBx77, 
    txtChckBx78, txtChckBx79, txtChckBx80
};

Emond · Accepted Answer · 2012-05-27 07:18:56Z

4

If you know that the checkboxes are all on a form:

var list = new List<CheckBox>();
foreach(var control in this.Controls)
{
    var checkBox = control as CheckBox;
    if(checkBox != null)
    {
        list.Add(checkBox);
    }
}

var checkBoxArray = list.ToArray();

If you don't know where the controls are then you will have to search for them.

BTW: The code above uses WinForms. If you are using WPF, Silverlight, Metro,... the container will be named differently.

edited May 27, 2012 at 7:18

answered May 27, 2012 at 6:52

Emond

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Comments

siditom · Accepted Answer · 2012-05-27 06:52:35Z

0

You can't do new and then

checkboxarray = new CheckBox[] { txtChckBx0, ....}

it's two different ways to define an array. you need to do:

CheckBox[] checkboxarray = { txtChckBx0, ....};

If you want it to work.

Good luck.

answered May 27, 2012 at 6:52

siditom

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Comments

Damith · Accepted Answer · 2012-05-27 07:02:02Z

0

In WinForm

List<CheckBox> checkBox = new List<CheckBox>();
// Adding checkboxes for testing...
for (int i = 0; i <= 80; i++)
{
    var cbox = new CheckBox();
    cbox.Name = "txtChckBx"+ i.ToString();
    checkBox.Add(cbox);
    Controls.Add(cbox);

}

List<CheckBox> checkBoxfound = new List<CheckBox>();
// loop though all the controls 
foreach (var item in Controls)
{
    // filter for checkboxes and name should start with "txtChckBx"
    if (item is CheckBox && ((CheckBox)item).Name.StartsWith("txtChckBx", StringComparison.OrdinalIgnoreCase))
    {
        checkBoxfound.Add((CheckBox)item);
    }
}

answered May 27, 2012 at 7:02

Damith

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