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Data Binding Performance on forms containing many controls


I have a Windows form which contains roughly 100 controls on multiple tabs.
I am data binding to a List<collection at runtime:
CompanyMasterDa ta company = m_CompanyListCo llection.Find(( CompanyMasterDa ta
co) =co.CompanyMast erDataID.Equals (companyID));
if (company == null)
company = new CompanyMasterDa ta();
company.Company MasterDataID = Guid.NewGuid();
company.ChangeT ype = apx_CustomInter faces.eDMLChang e.Insert;
m_CompanyListCo llection.Add(co mpany);
CurrentCompany = company;
bindingSource.D ataSource = CurrentCompany;

The problem is that the binding process is taking roughly 30 seconds. The
query is fast and takes less than a second it is strictly the binding that
is taking the remaining 29 seconds. I built a tracer and noticed that the
property mutator (SET) is getting hit 7 times each for each property in my
custom object. The first two times are Null values and occur within the
InitializeCompo nent code block. The remaining 5 times all hit the mutator
with the same value. I cant figure out why they are getting hit so many
times. It takes roughly 4 seconds to set the properties for all of the
controls...so multiply that times 7 and it takes 28 seconds to bind the

Any suggestions on how I can improve the performance on this form?


Nov 14 '08 #1
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