{"id":838,"date":"2025-10-30T15:26:19","date_gmt":"2025-10-30T14:26:19","guid":{"rendered":"https:\/\/www.silverice.it\/IpercubeTechWP1\/?page_id=838"},"modified":"2025-10-30T15:26:19","modified_gmt":"2025-10-30T14:26:19","slug":"loadsqltable","status":"publish","type":"page","link":"https:\/\/www.silverice.it\/IpercubeTechWP1\/ipercube-utilities\/sql-functions\/loadsqltable\/","title":{"rendered":"Load Sql Table"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Loads data from a SQL table into a&nbsp;<strong>DataTable<\/strong>&nbsp;using the specified connection and query parameters.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This function opens the SQL connection if it is not already open and executes a SELECT query dynamically constructed from the provided parameters. It uses&nbsp;<strong>iuSqlFunctions.ExecuteQueryOnDataTable(SqlConnection,String)<\/strong>&nbsp;to perform the actual query execution and data retrieval.<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column page-snippet is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-Geist-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-Geist-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:flex;align-items:center;padding:10px 0px 10px 16px;margin-bottom:-2px;width:100%;text-align:left;background-color:#2b2b2b;color:#c7c7c7\">VB<\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>    Public Function LoadSqlTable(MyConnection As SqlConnection, \n                                 TableName As String, \n                                 Optional FieldList As String = \"*\", \n                                 Optional WhereCondition As String = \"\") As DataTable\n\n        Try\n            If Not MyConnection.State = ConnectionState.Open Then MyConnection.Open()\n\n            Dim szQuery As String = $\"SELECT {FieldList} FROM {TableName} {WhereCondition}\"\n            Dim dtToReturn As DataTable = ExecuteQueryOnDataTable(MyConnection, szQuery)\n\n            Return dtToReturn\n\n        Catch ex As Exception\n        End Try\n\n        Return Nothing\n\n    End Function<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">Public Function <\/span><span style=\"color: #DCDCAA\">LoadSqlTable<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">MyConnection<\/span><span style=\"color: #D4D4D4\"> As <\/span><span style=\"color: #4EC9B0\">SqlConnection<\/span><span style=\"color: #D4D4D4\">, <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                                 TableName As <\/span><span style=\"color: #4EC9B0\">String<\/span><span style=\"color: #D4D4D4\">, <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                                 Optional FieldList As <\/span><span style=\"color: #4EC9B0\">String<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&quot;*&quot;<\/span><span style=\"color: #D4D4D4\">, <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">                                 Optional WhereCondition As <\/span><span style=\"color: #4EC9B0\">String<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #CE9178\">&quot;&quot;<\/span><span style=\"color: #D4D4D4\">) As <\/span><span style=\"color: #4EC9B0\">DataTable<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        Try<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #C586C0\">If<\/span><span style=\"color: #D4D4D4\"> Not MyConnection.<\/span><span style=\"color: #9CDCFE\">State<\/span><span style=\"color: #D4D4D4\"> = ConnectionState.Open <\/span><span style=\"color: #C586C0\">Then<\/span><span style=\"color: #D4D4D4\"> MyConnection.<\/span><span style=\"color: #DCDCAA\">Open<\/span><span style=\"color: #D4D4D4\">()<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #569CD6\">Dim<\/span><span style=\"color: #9CDCFE\"> szQuery <\/span><span style=\"color: #D4D4D4\">As <\/span><span style=\"color: #4EC9B0\">String<\/span><span style=\"color: #D4D4D4\"> = $<\/span><span style=\"color: #CE9178\">&quot;SELECT {FieldList} FROM {TableName} {WhereCondition}&quot;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #569CD6\">Dim<\/span><span style=\"color: #9CDCFE\"> dtToReturn <\/span><span style=\"color: #D4D4D4\">As <\/span><span style=\"color: #4EC9B0\">DataTable<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #DCDCAA\">ExecuteQueryOnDataTable<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">MyConnection<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #9CDCFE\"> szQuery<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #C586C0\">Return<\/span><span style=\"color: #D4D4D4\"> dtToReturn<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        Catch ex As <\/span><span style=\"color: #4EC9B0\">Exception<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #DCDCAA\">End<\/span><span style=\"color: #D4D4D4\"> Try<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #C586C0\">Return<\/span><span style=\"color: #569CD6\"> Nothing<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">End Function<\/span><\/span><\/code><\/pre><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Loads data from a SQL table into a&nbsp;DataTable&nbsp;using the specified connection and query parameters. This function opens the SQL connection if it is not already open and executes a SELECT query dynamically constructed from the provided parameters. It uses&nbsp;iuSqlFunctions.ExecuteQueryOnDataTable(SqlConnection,String)&nbsp;to perform the actual query execution and data retrieval.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":810,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-838","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/pages\/838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/comments?post=838"}],"version-history":[{"count":2,"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/pages\/838\/revisions"}],"predecessor-version":[{"id":840,"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/pages\/838\/revisions\/840"}],"up":[{"embeddable":true,"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/pages\/810"}],"wp:attachment":[{"href":"https:\/\/www.silverice.it\/IpercubeTechWP1\/wp-json\/wp\/v2\/media?parent=838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}