C#

//Button Click event
this.button.Click += new System.EventHandler(this.button_Click);
  
//TextBoxes KeyDown event
this.tbName.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBox_KeyDown);
this.tbPassword.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBox_KeyDown);
  
//Here is the validation method (your code)
private void Validating()
{
    //code
}
  
//All events call the same method
private void button3_Click(object sender, System.EventArgs e)
{
    Validating();
} 
  
private void textBox_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
{
    //Only if Enter is pressed
    if(e.KeyCode == System.Windows.Forms.Keys.Enter)
    {
	Validating();
    }
}

myForm.AcceptButton = buttonOk;

wrote:

CAN SOMEBODY HELP ME WITH A CLEAR CODING????? Im on my final project... i need this small task...

<br />
char ch = 'l';<br />
int count = 0;<br />
string str = "hello";<br />
<br />
for(int i = 0; i < str.Length; ++i) {<br />
    if(str[i] == ch)<br />
        ++count;<br />
}<br />