Article directory foreword 1. The http-equiv attribute of meta Two, use the DataTables table plug-in 2.1. Overall idea 2.2. Encapsulate $(‘#myTableId’).DataTable({…}) into a function 2.3 Refresh table data function 2.4 Unified calls to refresh the automatic loading function of the table 2.4 Execute the refresh auto-loading function at regular intervals Foreword I recently encountered a […]
Tag: datatable
C# Winform DataGridView control and DataTable
Directory I. Overview Second, the usage of DataTable 1. Create tables and columns 2. Add row 3. Value and assignment 4. Delete row 5. Traverse the DataTable 6. Determine whether a value exists in the DataTable column 7. Set the primary key 8. Get the row number where the DataRow is located 9. Convert DataTable […]
Conversion between DataTable, List, Dictionary, JSON, XML of C#
1. DataTable to List // Create a DataTable object DataTable dataTable = new DataTable(); // Convert DataTable to List<DataRow> List<DataRow> dataList = dataTable.AsEnumerable().ToList(); 2. DataTable to Dictionary // Create a DataTable object DataTable dataTable = new DataTable(); // Convert DataTable to Dictionary Dictionary<string, object> dictionary = dataTable. AsEnumerable() .ToDictionary(row => row. Field<string>(“KeyColumn”), row => row. […]
Vb.net automatically sends mail and watch and test expression datatable.rows.count
Imports Quartz Imports System.Net.Mail Imports System.Text.RegularExpressions Imports System. Text Imports System.Net.Sockets Imports Microsoft.CodeAnalysis.Scripting Imports Microsoft.CodeAnalysis.CSharp.Scripting Imports Microsoft.CodeAnalysis Imports System. Configuration ”’ <summary> ”’ Scheduled push message task ”'</summary> <DisallowConcurrentExecution> Public Class Cls_DsxxtsMESJob Implements IJob Private JobName As String = “Scheduled message push” Private Shared smtpClient As SmtpClient Public m_csUDPClient As UdpClient Private dataTable As DataTable […]
Save the data in DataTable to Excel (2) Use NPOI
Article directory background 1 Introduction to NPOI 2 Using NPOI 2.1 Create a simple workbook 2.2 Simple reading content 2.3 Export DataTable data to Excel (NPOI) 2.4 Import Excel(NPOI) to DataTable 3 Summary of NPOIs Background I wrote an article about exporting DataTable to Excel earlier. I used the Office COM component to import and […]
C#, .net, winform import Excel function and download Excel file to local, and use SqlBulkCopy to write DataTable type data into sqlserver database
Background Recently, there is a function of importing Excel in the project. The following will introduce how to import Excel files in the C# project and the macro idea to realize this function. Macroscopic thinking Because the import function in the project is for users to import Excel files according to their own needs, there […]
[C#] Program development, use DataTable or List?
Series of articles 【C#】Single number generator (numbering rules, fixed characters, serial numbers, generating business single numbers) Link to this article: https://blog.csdn.net/youcheng_ge/article/details/129129787 [C#] QR code label making and printing (full version) Link to this article: https://blog.csdn.net/youcheng_ge/article/details/126884228 [C#] Document printing scheme (design printing template, barcode & amp; QR code, picture, font) Link to this article: https://blog.csdn.net/youcheng_ge/article/details/129415723 [C#] […]
.NET development DataTable and List<T> mutual conversion
.NET DataTable and List Generic Conversion 1. Three methods of converting DataTable to List generic The first one: DataTable is converted to a List object collection The second type: DataTable is converted into a List collection The third method: convert DataTable to List 2. Convert List Generics to DataTable In .NET development, DataTable is often […]
C# Json data to DataTable and generate PDF online download–iTextSharp generates PDF instance (file download, json data conversion, PDF typesetting in one step)
Foreword This article will focus on the use of iTextSharp and some pitfalls that are easy to step on. By the way, it will introduce the simple, fast and efficient method of converting json to DataTable and the method of online instant download of binary stream conversion files. After testing, it only takes 1 second […]
Datatables display data (table merging, date calculation, asynchronous loading data, paging display, filtering)
Series article directory Datatable custom filter button solution Echarts actual combat case code (21): front-endPage’s CJJTable front-end paging plug-in ajax page asynchronous loading data solution Article directory Series Article Directory foreword 1. HTML container construction 1. Operation button 2. Form construction 2. Calculation of time and date Three, dataTables attribute configuration 1. call 2. Filter […]