c#进行sqlserver数据库增删查改操作

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1、.C#连接SQLServer数据库并进行增删查改操作详细代码在下边，直接可以使用设计好的C#界面：...共3个窗体。数据库：运行后的界面：...............代码：（Form1）publicpartialclassForm1:Form{publicForm1(){InitializeComponent();}privatevoidbutton1_Click(objectsender,EventArgse){Form1_Load(sender,e);}privatevoidForm1_Load(objectsender,EventArgse){try{SqlConnectionco

2、nn=newSqlConnection();...stringstr="DataSource=ZWEIQUAN-PC;InitialCatalog=Student;IntegratedSecurity=True";conn.ConnectionString=str;conn.Open();SqlCommandcmd=newSqlCommand();cmd.CommandText="select*from基本信息表";cmd.Connection=conn;SqlDataAdaptersda=newSqlDataAdapter(cmd);DataSetds=newDataSet();sda.

3、Fill(ds,"基本信息表");this.dataGridView1.DataSource=ds;this.dataGridView1.DataMember="基本信息表";this.dataGridView1.AutoGenerateColumns=true;for(inti=1;i

4、llStyle.SelectionForeColor=Color.Black;this.dataGridView1.Columns[i].ReadOnly=true;}conn.Close();}catch(Exceptionee){MessageBox.Show("错误："+ee.Message,"错误");}}privatevoidbutton2_Click(objectsender,EventArgse){if(this.dataGridView1.SelectedCells==null){MessageBox.Show("请选择要删¦除的项！","错误",MessageBoxBut

5、tons.OK,MessageBoxIcon.Error);}else{if(this.dataGridView1.CurrentCell.ColumnIndex==0){stringst=this.dataGridView1[1,...this.dataGridView1.CurrentCell.RowIndex].Value.ToString();SqlConnectionconn=newSqlConnection();stringstr="DataSource=ZWEIQUAN-PC;InitialCatalog=Student;IntegratedSecurity=True";co

6、nn.ConnectionString=str;conn.Open();SqlCommandcmd=newSqlCommand();cmd.CommandText="deletefrom基本信息表where姓名='"+st+"'";cmd.Connection=conn;cmd.ExecuteNonQuery();conn.Close();}}}privatevoidbutton3_Click(objectsender,EventArgse){if(this.textBox1.Text.Trim()==""){MessageBox.Show("请输入要查询的姓名!","提示");}else

7、{SqlConnectionconn=newSqlConnection();stringstr="DataSource=ZWEIQUAN-PC;InitialCatalog=Student;IntegratedSecurity=True";conn.ConnectionString=str;conn.Open();SqlCommandcmd=newSqlCommand();cmd.CommandText="select*