// Insert a new contact.
private static void InsertContactInternal(TableServiceContext context, string firstName, string lastName, string email,
string cellPhone, string homePhone, string streetAddress, string city, string state, string zipCode)
{
// Create the new entity.
ContactEntity entity = new ContactEntity();
// Partition key is first letter of contact's first name.
entity.PartitionKey = firstName.Substring(0, 1).ToUpper();
// Row key is value of first name, with GUID appended to avoid conflicts in case where two first names are the same.
entity.RowKey = firstName + "_" + Guid.NewGuid().ToString();
// Populate the other properties.
entity.FirstName = firstName;
entity.LastName = lastName;
entity.Email = email;
entity.CellPhone = cellPhone;
entity.HomePhone = homePhone;
entity.StreetAddress = streetAddress;
entity.City = city;
entity.State = state;
entity.ZipCode = zipCode;
// Add the entity.
context.AddObject(tableName, entity);
}
// Delete a contact.
public static void DeleteContact(string rowKey)
{
// Get data context.
TableServiceContext context = tableClient.GetDataServiceContext();
// Retrieve contact.
ContactEntity entity = GetContact(rowKey, context);
// Delete the entity.
context.DeleteObject(entity);
// Save changes to the service.
context.SaveChanges();
}
// Update contact data.
public static void UpdateContact(
string rowKey, string firstName, string lastName, string email, string cellPhone, string homePhone,
string streetAddress, string city, string state, string zipCode)
{
// Update the contact if the sort position did not change.
if (rowKey.StartsWith(firstName + "_"))
{
// Get data context.
TableServiceContext context = tableClient.GetDataServiceContext();
// Set updated values
ContactEntity entity = GetContact(rowKey, context);
entity.FirstName = firstName;
entity.LastName = lastName;
entity.Email = email;
entity.CellPhone = cellPhone;
entity.HomePhone = homePhone;
entity.StreetAddress = streetAddress;
entity.City = city;
entity.State = state;
entity.ZipCode = zipCode;
// Update the object.
context.UpdateObject(entity);
// Write changes to the Table service.
context.SaveChanges();
}
else
{
// Delete the contact and insert a new one with new keys
DeleteContact(rowKey);
InsertContact(firstName, lastName, email, cellPhone, homePhone, streetAddress, city, state, zipCode);
}
}
