How do create a DataTable in C#?. I did like this: DataTable dt = new DataTable(); dt.clear(); dt.Columns.Add("Name"); ... ... <看更多>

if (!(cond)) STOP(_("Internal error in line %d of fread.c, please report on data.table ... int64_t allocnrow=0; // Number of rows in the allocated DataTable. ... <看更多>

datatable (data, options = list(), class = "display", callback = JS("return table;"), rownames, colnames, container, caption = NULL, filter = c("none", ... ... <看更多>

Prefix column numbers with “-” to drop. dt[, .(b, c)] – extract columns by name. b c. b c a. ... <看更多>

As for the approach - how about building each of your three outputs while looping over the data reader a single time? ... <看更多>

The C# Code for Create dynamic datatable and insert data into database in ... Programming C#: insert ... ... <看更多>