Remove characters in a String

You can use string.Remove() function for this

string strOriginal = "Remove characters in a String";
string strModified = String.Empty;

//Example 1:
// Removes everything beginning at index 30
strModified = strOriginal.Remove(30);
MessageBox.Show(strModified);

Example 2:
// Removes specified number of characters(five) starting at index 20
strModified = strOriginal.Remove(20,5);
MessageBox.Show(strModified);