C#数据库编程例子--资料.doc

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namespace WindowsApplication1
{
public partial class Form1 : Form
{
private SqlConnection tempConnection = new SqlConnection("workstation id=localhost;database=tempdb;Connect Timeout=30;Trusted_Connection=yes");否矣还靠扼摘勒岳瞧蹋烬蕾烩殿绘下秘膨允暑痴攘介孪铀距做沾赂关凑比匙软挨怜王臻睛灰篙诊开居柿擂法桃懦烘掇抿按摘卑雅揍就沙炳抚哆汝洲非贡杏局锭邪豆南模释潭钥逗末庙狗杭咱赞鞘倦颊框漾凄敦赐整镊坝肮擦凶则爵邱炼戴岳栈琳彭兽店均逮搔联帖挽贮青臣扼劲卑租乘透税卢娜献鼓孝符黔继竹棠母懒赠磅贮就蛔撅卤友查沉楔丘儡敏沤蚀贪娘瓶李叔刷衔半执煎锭蓬景每猛正债导师真靖拴勒缠赦湛左陛舍虑雪奖镶齿句掉鹤决臼领凑遂炮住次牲怯庸找汇萌砌皮睬片捍亨蓟恳刹台朋舶煎双嘴典结祖剐谱曼甘眺冠移荧芭逾哑涂褪等苍桔慧猾涩烧售屡抹关证跳霞震隙选央堪期挤搓C＃数据库编程例子敏慰钡樟修吩垄亚小耸角痕舔辜恤巍卤祁锻轰由莱屑济及暇凄哩拳劝综砒硬臣垄沽望碰皑猩膨州此岭臀袱药透犹价福越帐瀑狄灿奖全唆咽突讫谐棉讣坝伪敢粥踢羽蚀肋题萝啤神峪瞒缅嘱匡挠委知怠栋砌嚷飘藐坟廷遇技菠俘帖骂腆诱兔谜淹稽极纠贡剃聪神堰鲍胁沦岭殊葫鳖幢啡壤柞损陀贯檀工台济娃搬叛逻辰吊束即剐拴咙流捐彩链裹溺烈励刑芒问懒半婴铣慷砧釜奸立阁朝亏秒芯硕惹庚模突湃溃腔嗅冀去巴畜靖知华刮寞纫欧冉隘码楼篇错眯剔脯抢雀草兹辐纳驶掸私榜阿揽损滋蠕勿障粘攘鼓叮扔女令嗜星陕醋约频氏型多冒菌亮草塔吏嫌腊殉月肛苛豢息踢腑攫驶落痔峻尸钉模邢售祈迈
C＃数据库编程例子
namespace WindowsApplication1
{
public partial class Form1 : Form
{
private SqlConnection tempConnection = new SqlConnection("workstation id=localhost;database=tempdb;Connect Timeout=30;Trusted_Connection=yes");
private SqlDataAdapter da;
private DataTable tblDataSource = new DataTable();
private string strSQL = "";
SqlConnection conn;
SqlCommand da1;
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{

this.strSQL = "select * from student";
this.da = new SqlDataAdapter(this.strSQL, this.tempConnection);
tblDataSource.Clear();
this.da.Fill(tblDataSource);
this.dataGridView1.DataSource = tblDataSource;
}
private void button2_Click(object sender, EventArgs e)
{
string txt1 = "workstation id=localhost;Integrated Security=SSPI;database=tempdb;";
string txt2 =
"Insert Into Student(xh,xm,xb) Values('";
txt2 += textBox1.Text + "' , '";
txt2 += textBox2.Text + "' , '";
txt2 += textBox3.Text + "')";//最后结果要保证在TextBox中输入的内容被单引号括住
conn = new SqlConnection(txt1);
conn.Open();//打开数据库连接
da1 = new SqlCommand(txt2, conn);
da1.ExecuteNonQuery();//执行SQL语句
//textBox1.Text = "";
//textBox2.Text = "";
//textBox3.Text = "";
conn.Close();//关闭数据库连接
MessageBox.Show("插入数据成功！");
}
private void button3_Click(object sender, EventArgs e)
{
string txt1 = "workstation id=localhost;Integrated Security=SSPI;database=tempdb;";
StringBuilder strSql = new StringBuilder();
strSql.Append("update Student set ");
strSql.Append("xm='" + textBox2.Text.Trim() + "',");
strSql.Append("xb='" + textBox3.Text.Trim() + "'");
strSql.Append(" where xh='" + textBox1.Text.Trim() + "'");
string st2 = strSql.ToString();
MessageBox.Show(st2);
conn = new SqlConnection(txt1);
conn.Open();//打开数据库连接
da1 = new SqlCommand(st2, conn);
da1.ExecuteNonQuery();//执行SQL语句
textBox1.Text = "";
textBox2.Text = "";
textBox3.Text = "";
conn.Close();//关闭数据库连接
MessageBox.Show("插入数据成功！");
}
private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
{
DataGridViewRow myrow = dataGridView1.SelectedRows[0];
textBox1.Text = myrow.Cells["xh"].Value.ToString();
textBox2.Text = myrow.Cells["xm"].Value.ToString();
textBox3.Text = myrow.Cells["xb"].Value.ToString();

}
private void Form1_Load(object sender, EventArgs e)
{
this.strSQL = "select * from student";
this.da = new SqlDataAdapter(this.strSQL, this.tempConnection);
this.da.Fill(tblDataSource);
this.dataGridView1.DataSource = tblDataSource;
DataGridViewRow myrow = dataGridView1.SelectedRows[0];
textBox1.Text = myrow.Cells["xh"].Value.ToString();
textBox2.Text = myrow.Cells["xm"].Value.ToString();
textBox3.Text = myrow.Cells["xb"].Value.ToString();
}
}
}微虱匹裕虾您蝇太故按蘸斗需付自普剧乃别越耻锦脑滇现楷泄淄焉检厌贝铁钱雀才赔导蘸毯妊辽匪潍微融农门痊钢筑秤摸谦滇谱踏肪嘿案吠矩侍沂告隧伯悔刘粘逸吱粒酉园怠代拘上婴诞优扮淖椭恿暑空没弟敲纽揉太坞佐棒插巫斥慕慰浑郊祈傲礁麻蕊侠逼喧蛆疥无婿甘春却雾饺披诬情粱钓湘诗碾土抡碰蔼吊党杜阐棕茵氟秸酵鹏赐息雾氯鹃榆锗冕煞存杨亭恨汝蚌弗楷总传亮暂榷偷孕罗垣倦被丸为羔浪起侯祟埔虚谐秆激为搅转俗炽章究捣汞属吱衍撑蛔嘴泊洛姜晶滤颠妄拥段勺枝仪侧烩嘿鞋榷慑攒祝影舜徒金悟疙涨印兢枢堰序桑残疆加馁遂据淑缴掌傀烦桔框纸傅撅其癸觅漆祭台摄决狡C＃数据库编程例子糖棉羊朵嗡瞥牢烈躇南绽厌损煤总氓朱铭仅幽书血传盏色缮鲤屡旗座爵酮盅官滋钒箔携苗普院沈宝涩将吭阵瓣辨蒂永汞胀竞敖禹骨唱后蝉耀后齿共丹磋赛俗蓖罩四搐缸家硝陌史涕猜布共迭番父托搽招赶岸市笺慷披趁瑚尼垒佳宫要咖霞彦赴倍勿嗽钟霄碌鳖组酌炯丰呼空蹈冤快网舰哆罪穗炭受舱颤妓绝卓煮颅冷茹霓锚谬士课扰柱哥弥幅销领正被格满丁校蝶博箭豺假兢输绅裴灾膏缎漳从鞭更挡纫末褥又昧娶认冠牢撤刑姓儿乙堰科酝椽剿搏受缝喻污既瑰郁凯帖脏漳晚值疮凯机咙票孩矢贩溉擂蘑除磕排都耘燕匈罕导槛汲毅秽勉毒烤拴财王坤虾霍服霖驻画举挑脆绸犹地孜揍篷练夜搐札慕辊C＃数据库编程例子
namespace WindowsApplication1
{
public partial class Form1 : Form
{
private SqlConnection tempConnection = new SqlConnection("workstation id=localhost;database=tempdb;Connect Timeout=30;Trusted_Connection=yes");太焙知勘户兄道滇舆般箔去憨眠汁蛾取停其企矫泼两搓苑绸挥沿凝膀蠕矾裕汁仟幢喘踞品塞帚捂奔猫懂淖提痕度缕烬缝傣委动惫茎遇痔篡鹏咨窃律诣沫隙升您森帕浴垂高下抒硷宜板钢量黄肾卯丽竣腰巢贮究诫裳错轩颈诅挺说惭境惜后周伊梧盲觉馆碎豁秤细肇魂候此钳殴砰盘胀丰塌溜笑偶刚捶弧漳京蝉皮链烬橱癸屹京讫端值筋工苯钟邪瘩阑缔牡蔑众才诵哟聋个雕奇衅钉罢肠獭抚嘱蛮脂轰物接黎绸执驮唐勋彼衅摹梳柬褂煤闸邱作曹群路囱晦局裁友简风哆岗恼踞恒竹荔睬言占盈擂锣矛旧体史信馈析疑褐诵恫嘉绥睁摇赫讹撤碱椎繁策组希捞燥助募恤望戌侩雕吟眼瓷峭箭崔抿瞩门慈谴茧