Function to create .csv file from DataTable (you can skip this, if you already have csv file) public static void CreateCSVfile(DataTable dtable, string strFilePath) { StreamWriter sw = new StreamWriter(strFilePath, false); int icolcount = dtable.Columns.Count; foreach (DataRow drow in...
最后一个命令使用Read-SqlTableDatacmdlet 显示$Table变量的内容。 示例3:将数据从文件导入表 PowerShell PS C:\> ,(Import-Csv-Path".\a.csv"-Header"Id","Name","Amount") |Write-SqlTableData-ServerInstance"MyServer\MyInstance"-DatabaseName"MyDatabase"-SchemaName"dbo"-TableName"CSVTable"-ForcePS...
Export DataTable To CSV With Custom Header export datatable to excel using C# with leading zeros Export html table having image into excel file Export large amount of data from datatable to Excel Export List<T> to a CSV export to excel on button click of C# code Export to Excel using ....
DataTable,DataGridVIew转换到xls 方法 (转) private void dataTableToCsv(DataTable table, string file) { string title = ""; FileStream fs = new FileStream(file, FileMode.OpenOrCreate); //FileStream fs1 = File.Open(file, FileMode.Open, FileAccess.Read); StreamWriter sw = new StreamWriter(ne...
[ODBC Driver Manager] Data source name not found and no default driver specified [ODBC SQL Server Driver] Invalid Parameter Number/ Invalid Description or Index [Sql server 2012] Change from vertical to horizontal table as dynamic @@FETCH_STATUS in nested loops @@ServerName returns wrong value ...
I have created CSV file using comma (,) separator using following code. DataTable dt = dataSet.Tables[0]; StringBuilder csv = new StringBuilder(); for (int i = 0; i { for (int k = 0; k { csv.Appen...
If you are using DataTables, you can read and write to a DataTable using the ReadFlatFile and WriteFlatFile extension methods. Just pass the corresponding reader or writer object.var customerTable = new DataTable("Customer"); using (var streamReader = new StreamReader(File.OpenRead(@"C:\...
equal number ofDataColumnstoDataTable(because of performance issues). In this implementation, we rather read cells and, if they have data, we first create rows/columns they belong to, and then we add those cells to theDataTable. So, at the end, we allocate only space that we ne...
DataTable customerTable = new DataTable("Customer"); using (StreamReader streamReader = new StreamReader(File.OpenRead(@"C:\path\to\file.csv"))) { IReader reader = new SeparatedValueReader(streamReader, schema); customerTable.ReadFlatFile(reader); } ...
You can also use the XLSX engine to create and update XLSX files. libnamexlout XLSX'/folders/myfolders/samples.xlsx';dataxlout.cars;setsashelp.cars;run;dataxlout.classfit;setsashelp.classfit;run;dataxlout.baseball;setsashelp.baseball;run;dataxlout.air;setsashelp.air;run;libnamexlout clea...