public static void GetWhere(LinkType linkType, string columnName, object value, LogicalOperatorType logicalOperatorType, ref StringBuilder stringBuilder)
{
switch (value.GetType().Name)
{
case "String":
case "DateTime":
stringBuilder.Append(linkType.GetLinkStr() + columnName + logicalOperatorType.GetLogicalOperatorStr() + "'" + value + "'" + logicalOperatorType.LogicalOperatorAppend() + linkType.LinkAppend());
break;
case "Double":
case "Decimal":
case "Single":
stringBuilder.Append(linkType.GetLinkStr() + columnName + logicalOperatorType.GetLogicalOperatorStr() + value + logicalOperatorType.LogicalOperatorAppend() + linkType.LinkAppend());
break;
}
}