private void MetroButtonSaveRole_Click(object sender, EventArgs e)
{
int rolId = Convert.ToInt32(metroLabelRoleId.Text);
string roleName = MetroTextBoxRoleName.Text;
//validate not to duplicate Roles
if (!IsValidRole(roleName))
{
MetroMessageBox.Show(this, "Role with the name " + roleName + " already exists", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (roleName != "")
{
using (var context = new KucsaManagementDatabaseEntities())
{
if (rolId == 0)
{
TblRole role = new TblRole
{
RoleName = roleName
};
context.TblRoles.Add(role);
try
{
context.SaveChanges();
}
catch (Exception es)
{
MetroMessageBox.Show(this, es.ToString(), "Entity Framework Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
MetroMessageBox.Show(this, roleName + " Role Added Successfully!", "Success", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else
{
var roleToUpdate = context.TblRoles.SingleOrDefault(role => role.RoleId == rolId);
if (roleToUpdate != null)
{
roleToUpdate.RoleName = roleName;
}
try
{
context.SaveChanges();
}
catch (Exception es)
{
MetroMessageBox.Show(this, es.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
MetroMessageBox.Show(this, roleName + " Updated Successfully!", "Successful Update", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
InitializeRoleList();
}
}
private void MetroButtonDelete_Click(object sender, EventArgs e)
{
int deleteID = Convert.ToInt32(metroLabelRoleId.Text);
if (metroLabelRoleId.Text != "0" && metroLabelRoleId.Text != null && isValidDelete(deleteID))
{
using (var context = new KucsaManagementDatabaseEntities())
{
var delRole = new TblRole {
RoleId = deleteID
};
context.TblRoles.Attach(delRole);
context.TblRoles.Remove(delRole);
context.SaveChanges();
MetroMessageBox.Show(this, delRole.RoleName + " Removed Successfully from the system!", "Successful Removal", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
InitializeRoleList();
}
}
}