private uint getExcelStyleIndex(string systemType, uint[] styleIndex)
{
if (systemType == "Double" || systemType == "Decimal")
return styleIndex[0];
if (systemType == "Int16" || systemType == "Int32" || systemType == "Int64" || systemType == "UInt16" || systemType == "UInt32" || systemType == "UInt64")
return styleIndex[1];
if (systemType == "Char" || systemType == "String")
return styleIndex[2];
if (systemType == "DateTime")
return styleIndex[3];
if (systemType == "Boolean")
return styleIndex[2];
return styleIndex[2];
}