One , summary

Some time ago, a web-based C# Student information management system based on Web , Many students came to ask me if I have a window version , So in order to meet your requirements , Recently, I wrote a form version of the student's grades / mis . Student achievement / Information management is an essential part , The significance of developing the system is to assist the student managers to manage the student information , Improve the quality and efficiency of student information management . come , Above !

Two , development environment

language :C#

database :SQLServer 2008 R2

development tool :Visual Studio 2015

Three , Some screenshots


Concise version of the window information system has been shown , Should we give your applause to our hard-working developers , thank you ! Ha ha ha ha ha ha ha ! okay , That's where the bull blows , That's the same thing , If you look at the screenshot above, it's concise , Beautiful system , You can download the source code to learn , It could be you, too C# The starting point of development journey ! come on. !
using System; using System.Collections.Generic; using System.Data; using
System.Data.SqlClient; using System.Linq; using System.Text; using
System.Threading.Tasks; namespace MyProject { public class SqlData { public
static DataTable ExecuteDataTable(string connStr, string sql) { DataTable data
= new DataTable(); using (SqlConnection connection = new
SqlConnection(connStr)) { using (SqlCommand command = new SqlCommand(sql,
connection)) { command.CommandType = CommandType.Text; SqlDataAdapter adapter =
new SqlDataAdapter(command); adapter.Fill(data); } } return data; } public
static int ExecuteNonQuery(string connectionString, string commandTextSQL) {
using (SqlConnection connection = new SqlConnection(connectionString)) {
SqlCommand command = new SqlCommand(); bool mustCloseConnection = false; if
(connection.State != ConnectionState.Open) { mustCloseConnection = true;
connection.Open(); } else { mustCloseConnection = false; } command.Connection =
connection; command.CommandText = commandTextSQL; int num =
command.ExecuteNonQuery(); command.Parameters.Clear(); if (mustCloseConnection)
{ connection.Close(); } return num; } } } }

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