DataTable schemaTable = objConn.GetOleDbSchemaTable(System.Data.OleDb.OleDbSchemaGuid.Tables,null); stringtableName = schemaTable.Rows[0][2].ToString().Trim();//获取 Excel 的表名,默认值是sheet1 stringstrSql ="select *
DataTable sheetsName = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables,newobject[] {null,null,null,"Table" });//得到所有sheet的名字string SheetName = sheetsName.Rows[0][2].ToString();string strSQL =string.Format("SELECT * FROM [{0}]", SheetName); OleDbDataAdapter oda =newOleDbDataAdapter(str...
DataTable GetDataTable(string tableName,string leftTopCel,string rightbutCel) { bool hasTitle = false; OpenFileDialog openFile = new OpenFileDialog(); openFile.Filter = "Excel(*.xlsx;*.xls)|*.xlsx;*.xls|所有文件(*.*)|*.*"; openFile.InitialDirectory = Environment.GetFolderPath(Environment....
strQuery = "SELECT * FROM `Sheet1$`" 1. 2. Microsoft 建议使用方括号,这是用于表示未知数据库对象名的标准约定。 如果将美元符号和方括号全部省略,或只省略美元符号,将出现以下错误信息: ... the Jet database engine could not find the specified object 如果使用美元符号而忽略了方括号,将会看到以下错误...
\Program Files\Microsoft Office\Office\Samples\Northwind.mdb"DimoQryTableAsObjectSetoQryTable = oSheet.QueryTables.Add( _"OLEDB;Provider=Microsoft.Jet.OLEDB.4.0;Data Source="& _ sNWind &";", oSheet.Range("A1"),"Select * from Orders") oQryTable.RefreshStyle = xlInsertEntireRows oQryTable....
"DATABASE=" & dbName & ";" & _ "USER=" & userName & ";" & _ "PASSWORD=" & password & ";" ' 打开数据库连接 conn.Open ' 添加数据到表格 Dim strSQL As String strSQL = "INSERT INTO MyTable (Name, Age) VALUES ('John Doe', 30)" ...
DataTable.Select 方法 (Excel) 發行項 2023/04/07 5 位參與者 意見反應 會選取物件。語法運算式。選擇表達 代表DataTable 物件的 變數。支援和意見反應有關於 Office VBA 或這份文件的問題或意見反應嗎? 如需取得支援服務並提供意見反應的相關指導,請參閱 Office VBA 支援與意見反應。
Excel prompts you to select a table. If you want to get multiple tables from the same data source, check theEnable selection of multiple tablesoption. When you select multiple tables, Excel automatically creates a Data Model for you.
DataTable 接口 参考 定义 命名空间: Microsoft.Office.Interop.Excel 程序集: Microsoft.Office.Interop.Excel.dll 代表一张图表模拟运算表。 C# 复制 [System.Runtime.InteropServices.Guid("00020843-0000-0000-C000-000000000046")] [System.Runtime.InteropServices.InterfaceType(2)] public interface Data...
strSQL = "INSERT INTO YourDatabaseTable " & _ "(Column1, Column2, Column3) " & _ "SELECT ColumnA, ColumnB, ColumnC FROM [Sheet1$]" ' 执行SQL语句 conn.Execute strSQL conn.Close Set conn = Nothing End Sub这个脚本会自动连接到你的数据库并执行一个插入语句,将Excel工作表中的数据插入到...