public CodeGenerator getCodeGF(string prefix)
{
codeGenerator cg = ctx.codeGenerators.FirstOrDefault(o => o.prefix == prefix);
CodeGenerator cc = new CodeGenerator();
cc.Prefix = cg.prefix;
cc.LastValue = cg.lastValue;
return cc;
}
public void updateCodeGeneratorGF(CodeGenerator cg)
{
codeGenerator c = ctx.codeGenerators.FirstOrDefault(o => o.prefix == cg.Prefix);
c.lastValue = cg.LastValue;
ctx.SaveChanges();
}