string sql = "SELECT * FROM [" + sheetName + "$]"; connection = new OleDbConnection(connectionString); connection.Open(); OleDbCommand command = new OleDbCommand(sql, connection); OleDbDataAdapter dataAdapter = new OleDbDataAdapter(command); DataSet excelOriginalData = new DataSet(); dataTable.C...
一、前言 我们在做前端时,会遇到这样的需求,上传Excel文件,并且还要和填写的表单数据,一起发送.我们知道el-upload默认的是选中文件后直接请求到后端的接口.现在就需要我们修改这种默认的上传形式,和填写完的form表单一起请求后端接口. 二、前端页面展示 三、表单代码 <el-dialog title="导入源数据库表单信息" :visi...
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这是预期的行为。laravelexcel使用数据库事务来确保执行导入时的数据完整性。您有失败,因此整个事务被回滚。 https://docs.laravel-excel.com/3.1/imports/validation.html#database-transactions #数据库事务整个导入自动包装在数据库事务中,这意味着每个错误都将回滚整个导入。使用批插入时,将仅回滚当前批。
Multiply file upload是指一次性上传多个文件的功能。通常情况下,文件上传是指将单个文件从客户端上传到服务器端。但是有时候,我们需要一次性上传多个文件,这就是Multiply file...
File Upload Changes Excel File to Another File Type Fixed - Pending Release16 0Votes BLBoon Kar Lih -Reported Oct 17, 2024 10:39 AM [severity:It bothers me. A fix would be nice] When attempting to upload an E...
Adding multiple worksheet to Excel using Openxml Adding new columns dynamically Adding results of SQL query to an iEnumerable string adding scrollbar to dropdownlist Adding values inside the datatable to a Dictionary in VB.net Adjust printing to fit sizes (A4 and PVC card sizes) Adobe PDF Reader...
ExcelDataValidation(dt.Rows[i]); }stringres = JsonHelper.ToGridJson(dt, dt.Rows.Count);//转化为JsonSession["GridList"] = res; Response.Write(res); }return""; } 其中重要的工具类:OleDBHelper: publicstaticclassOleDBHelper{publicstaticDataTableDoOleSql(stringdatabase,stringfileName){stringstrCo...
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SQL Server 导入和导出向导 从这个简单的导入和导出向导示例开始 启动SQL Server 导入和导出向导 使用SQL Server 导入和导出向导连接到数据源 SQL Server 导入和导出向导中的步骤 从Excel 导入或导出 将数据加载到 SQL Server 或 SQL 数据库 将数据加载到 Azure Synapse Analytics ...