private void AddButton_Click(object sender, EventArgs e)
{
// Adds a new message to the database
try
{
var newMsgNo = GetMsgNoFromForm();
CheckForDuplicateMsgNo(newMsgNo);
var nextMsgNo = GetNextMsgFromForm();
var messageText = GetMsgTextFromForm();
if (NagFeedback.ValidationErrorCount != 0)
{
return;
}
var table = new DonationNagsTable();
table.AddRow(newMsgNo, null, messageText, nextMsgNo);
DonationNags.UpdateTable(table);
var feedback = $"MsgNo {newMsgNo} was successfully added";
NagFeedback.AddInfo(feedback);
CommonCacheInvalidation.ScheduleInvalidateNagsAll();
NagEditMode.Value = Empty;
BuildHtmlTable();
}
catch (Exception ex)
{
NagFeedback.AddError("The operation failed due to an unexpected error.");
NagFeedback.HandleException(ex);
}
}
private void InsertButton_Click(object sender, EventArgs e)
{
// This method initiates an insert operation.
// The AddButton_Click method actually does the add.
try
{
NagEditMode.Value = "Insert";
BuildHtmlTable();
}
catch (Exception ex)
{
NagFeedback.AddError("The operation failed due to an unexpected error.");
NagFeedback.HandleException(ex);
}
}
private void EditButton_Click(object sender, EventArgs e)
{
try
{
Debug.Assert(sender is Control, "sender is Control");
var msgNo = GetMsgNoFromId(((Control)sender).ID);
NagEditMode.Value = "Edit" + msgNo.ToString(CultureInfo.InvariantCulture);
BuildHtmlTable();
}
catch (Exception ex)
{
NagFeedback.AddError("The operation failed due to an unexpected error.");
NagFeedback.HandleException(ex);
}
}
private void CancelButton_Click(object sender, EventArgs e)
{
// Handles cancellations -- not much to do
try
{
NagFeedback.AddInfo("The operation was cancelled");
NagEditMode.Value = Empty;
BuildHtmlTable();
}
catch (Exception ex)
{
NagFeedback.AddError("The operation failed due to an unexpected error.");
NagFeedback.HandleException(ex);
}
}
private void DeleteButton_Click(object sender, EventArgs e)
{
try
{
Debug.Assert(sender is Control, "sender is Control");
var msgNo = GetMsgNoFromId(((Control)sender).ID);
DonationNags.DeleteByMessageNumber(msgNo);
var feedback = $"MsgNo {msgNo} was successfully deleted";
NagFeedback.AddInfo(feedback);
CommonCacheInvalidation.ScheduleInvalidateNagsAll();
NagEditMode.Value = Empty;
BuildHtmlTable();
}
catch (Exception ex)
{
NagFeedback.AddError("The operation failed due to an unexpected error.");
NagFeedback.HandleException(ex);
}
}
private void UpdateButton_Click(object sender, EventArgs e)
{
try
{
// Get the existing record
Debug.Assert(sender is Control, "sender is Control");
var msgNo = GetMsgNoFromId(((Control)sender).ID);
var table = DonationNags.GetDataByMessageNumber(msgNo);
var newMsgNo = GetMsgNoFromForm();
if (newMsgNo != msgNo)
{
CheckForDuplicateMsgNo(newMsgNo);
}
var nextMsgNo = GetNextMsgFromForm();
var messageText = GetMsgTextFromForm();
if (NagFeedback.ValidationErrorCount != 0)
{
return;
}
table[0].MessageNumber = newMsgNo;
table[0].NextMessageNumber = nextMsgNo;
table[0].MessageText = messageText;
DonationNags.UpdateTable(table);
var feedback = newMsgNo != msgNo
? $"MsgNo {msgNo} was successfully updated and its MsgNo changed to {newMsgNo}"
: $"MsgNo {msgNo} was successfully updated";
NagFeedback.AddInfo(feedback);
CommonCacheInvalidation.ScheduleInvalidateNagsAll();
NagEditMode.Value = Empty;
BuildHtmlTable();
}
catch (Exception ex)
{
NagFeedback.AddError("The operation failed due to an unexpected error.");
NagFeedback.HandleException(ex);
}
}