C# SQLServer数据库操作：增加、删除、更新、读取

使用测试

using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Xml.Linq;
using UnityEngine;

public class TTTT : MonoBehaviour
{
   
    // Start is called before the first frame update
    void Start()
    {
   

        //IDictionary<string, ElementModels> elementModelsDic = ElementService.GetAllElementModels();

        //foreach (var item in elementModelsDic)
        //{
   
        //    Debug.Log(item.Key + "-----------" + item.Value.ElementType);
        //}



        //  UpdateExamResults("88", "wxg", "2023/4/5 19:31:19");


        SearchData();

      //  string sql = "update StuTable set Name ='jwhh'where id = '5'";
      //  SQLHelper.UpdateDataSQL(sql);

        ss();
    }


    public void SearchData() 
    {
   
        string sql = "SELECT Name, id FROM StuTable";

        Debug.Log(sql);
        try
        {
   
            // DataTable dt = SQLHelper.GetDataSetSQL(sql).Tables[0];
            DataTable dt = SQLHelper.GetDataSetSQL(sql).Tables[0];

            if (dt != null && dt.Rows.Count > 0)
            {
   
                Debug.Log(dt.Rows.Count);
                for (int i = 0; i < dt.Rows.Count; i++)
                {
   
                    Debug.Log(dt.Rows[i]["Name"]);
                    Debug.Log(dt.Rows[i]["id"]);
                }
            }
        }
        catch (Exception ex)
        {
   

            throw;

        }
    }

    public void ss() 
    {
   
        try
        {
   
            string strSql = string.Format("spUpdateUser");
            int a = 0;
            SqlParameter[] para = new SqlParameter[]
            {
   
               new SqlParameter("@Name", "ZSHH"),
               new SqlParameter("@id", a)
            };
            SQLHelper.ExecuteCommand(strSql,para);
        }
        catch (System.Exception)
        {
   
            throw;
        }
    }
    void UpdateExamResults(string grade,string name,string time) 
    {
   
        //插入
        //INSERT INTO ExamResults VALUES('','','','');
        //INSERT INTO ExamResults(Name,Grade) VALUES('',&