public string GetRandomNumericString(int length)
{
var ranString = new StringBuilder(length);
string strRandomNumber = string.Empty;
for (int i = 0; i < length; ++i)
{
int charIndex = RandomNumberHelper.Between(1, 9999);
if (i > 1 && strRandomNumber.Length > length)
{
break;
}
strRandomNumber = strRandomNumber + charIndex;
}
ranString.Append(strRandomNumber.Substring(0, length));
return(ranString.ToString());
}
public string GetRandomString(int length)
{
var ranString = new StringBuilder(length);
for (int i = 0; i < length; ++i)
{
int charIndex;
// allow only digits and letters
do
{
charIndex = RandomNumberHelper.Between(48, 123);
} while (!((charIndex >= 48 && charIndex <= 57) ||
(charIndex >= 65 && charIndex <= 90) ||
(charIndex >= 97 && charIndex <= 122))
);
// add the random char to the ranString being built
ranString.Append(Convert.ToChar(charIndex));
}
return(ranString.ToString());
}
public string GetRandomUpperCaseNumericString(int length)
{
var ranString = new StringBuilder(length);
for (int i = 0; i < length; ++i)
{
int charIndex;
// allow only digits and upper case letters
// also dont allow 0,1,I and O
do
{
charIndex = RandomNumberHelper.Between(50, 90);
} while (!((charIndex >= 50 && charIndex <= 57) ||
(charIndex >= 65 && charIndex <= 72) ||
(charIndex >= 74 && charIndex <= 78) ||
(charIndex >= 80 && charIndex <= 90)));
// add the random char to the ranString being built
ranString.Append(Convert.ToChar(charIndex));
}
return(ranString.ToString());
}
public static string GetRandomString(int length, bool isNumeric)
{
var ranString = new System.Text.StringBuilder(length);
int charIndex;
if (!isNumeric)
{
for (int i = 1; i <= length; i++)
{
// allow only digits and letters
do
{
charIndex = RandomNumberHelper.Between(48, 123);
} while (!((charIndex >= 48 && charIndex <= 57) ||
(charIndex >= 65 && charIndex <= 90) || (charIndex >= 97 && charIndex <= 122)));
// add the random char to the ranString being built
ranString.Append(Convert.ToChar(charIndex));
}
}
else
{
string strRandomNumber = string.Empty;
for (int i = 1; i <= length; i++)
{
charIndex = RandomNumberHelper.Between(1, 9999);
if (i > 1 && strRandomNumber.Length > length)
{
break;
}
strRandomNumber = strRandomNumber + charIndex.ToString();
}
ranString.Append(strRandomNumber.Substring(0, length));
}
return(ranString.ToString());
}
private string GenerateUniquePassword()
{
return(RandomNumberHelper.Between(10000, 99999).ToString());
}
private static int GetRandomNumber(int min, int max)
{
return(RandomNumberHelper.Between(min, max));
}
