CODE EXAMPLE FOR CSHARP

how to insert qoutation marks into string c#

Insert the escape sequence " 
   textBox1.Text = "She said, "You deserve a treat!" "; 

Insert the ASCII or Unicode character 
   textBox1.Text = "She said, " + 'u0022' + "You deserve a treat!" + 'u0022'; 


Define a constant for the character
	const string quote = """;  
	textBox1.Text = "She said, " + quote +  "You deserve a treat!"+ quote ;