public GetGeometryRowKey GetGeometryRowKeyGenerator()
{
GetGeometryRowKey keyDelegate = null;
if ((this.SummaryLevel == "140") || (this.SummaryLevel == "150"))
{
keyDelegate = (DataRow row) =>
{
string county = Utilities.GetAs<string>(row["COUNTY"], "-1");
string tract = Utilities.GetAs<string>(row["TRACT"], "-1");
string blkgroup = Utilities.GetAs<string>(row["BLKGROUP"], "-1");
if (tract.Trim().Length != 6)
tract += "00";
return string.Format("{0}_{1}_{2}", county, tract, blkgroup);
};
}
else if (this.SummaryLevel == "060")
{
keyDelegate = (DataRow row) =>
{
string county = Utilities.GetAs<string>(row["COUNTY"], "-1");
string cousub = Utilities.GetAs<string>(row["COUSUB"], "-1");
return string.Format("{0}_{1}", county, cousub);
};
}
else if (this.SummaryLevel == "050")
{
keyDelegate = (DataRow row) =>
{
return Utilities.GetAs<string>(row["COUNTY"], "-1");
};
}
return keyDelegate;
}