xLookUp: vermeldt een veld van een record in een tabel volgens een geïndexeerde zoekopdracht

public static object xLookUp(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup);
public static object xLookUp(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where);
public static object xLookUp(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where, List<MercatorSqlParam> lParam_compl_where);
public static bool xLookUpBool(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup);
public static bool xLookUpBool(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where);
public static bool xLookUpBool(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where, List<MercatorSqlParam> lParam_compl_where);
public static DateTime xLookUpDateTime(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup);
public static DateTime xLookUpDateTime(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where);
public static DateTime xLookUpDateTime(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where, List<MercatorSqlParam> lParam_compl_where);
public static decimal xLookUpDecimal(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup);
public static decimal xLookUpDecimal(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where);
public static decimal xLookUpDecimal(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where, List<MercatorSqlParam> lParam_compl_where);
public static double xLookUpDouble(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup);
public static double xLookUpDouble(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where);
public static double xLookUpDouble(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where, List<MercatorSqlParam> lParam_compl_where);
public static int xLookUpInt(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup);
public static int xLookUpInt(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where);
public static int xLookUpInt(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where, List<MercatorSqlParam> lParam_compl_where);
public static string xLookUpString(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup);
public static string xLookUpString(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where);
public static string xLookUpString(string table_lookup, string index_lookup, object valeur_lookup, string champ_lookup, string compl_where, List<MercatorSqlParam> lParam_compl_where);