DataGridViewEx扩展bug修改及样例程序

F:\temp\DataGridViewExample\DataGridViewExample\bin\Debug\DataGridViewExample.exe F:\temp\DataGridViewExample\DataGridViewExample\bin\Debug\DataGridViewExample.pdb F:\temp\DataGridViewExample\DataGridViewExample\obj\x86\Debug\ResolveAssemblyReference.cache F:\temp\DataGridViewExample\DataGridViewExample\obj\x86\Debug\Common.DataGridViewEx.DataGridViewEx.resources F:\temp\DataGridViewExample\DataGridViewExample\obj\x86\Debug\Common.DataGridViewEx.FrmColumnSet.resources F:\temp\DataGridViewExample\DataGridViewExample\obj\x86\Debug\Common.DataGridViewEx.InputBox.resources F:\temp\DataGridViewExample\DataGridViewExample\obj\x86\Debug\DataGridViewExample.Properties.Resources.resources F:\temp\DataGridViewExample\DataGridViewExample\obj\x86\Debug\GenerateResource.read.1.tlog F:\temp\DataGridViewExample\DataGridViewExample\obj\x86\Debug\GenerateResource.write.1.tlog F:\temp\DataGridViewExample\DataGridViewExample\obj\x86\Debug\DataGridViewExample.exe F:\temp\DataGridViewExample\DataGridViewExample\obj\x86\Debug\DataGridViewExample.pdb F:\temp\DataGridViewExample\DataGridViewExample\bin\Debug\DataGridViewExample.exe.config F:\temp\DataGridViewExample\DataGridViewExample\obj\x86\Debug\DataGridViewExample.Form1.resources F:\temp\DataGridViewExample\DataGridViewExample\bin\Debug\test.mdb