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winform C#做数据库时,如何将查询到的结果显示到t...

建表 create table youtable (id int ,userName varchar(25),pwd varchar(18))insert into youtable values (1,'admin',...

首先是给textbox赋值:textbox1.Text="123456";然后是查询数据代码://如果有数据库帮助类的话更简单SqlConnection cnn = new SqlConnection();//实例化一个连接cnn.ConnectionString = "Data Source = datasource; uid = username; pwd =passwo...

SqlConnection conn = new SqlConnection(@"server=.;user=sa;password=123;database=数据采集"); conn.Open(); string sqlstr = "select * from min1 where 合约='CU**01' and 时间 between '2011-4-11 9:53:00' and '2011-4-15'"; DataSet ds=...

如果用的ado.net的话, 查询到的结果应该是一个ds或是tabale . 将表的某一行的某一列就是一个值赋给文本框的text属性就好, 当然还可以在开发界面设置文本框的数据源

SqlCommand com = dc.GetCommand("select * from lessoninfo"); SqlDataReader dr = com.ExecuteReader(); DataTable dt = new DataTable(); dt.Load(dr); this.dataGridView1.DataSource = dt;

执行的sql语句类似这样:string.Format("select* from Manager where Name='{0}'", textBox.Text.Trim())

封装数据库字段 namespace ShopModel{ public class Shops { string shopname; double Price; int number; int allnumber; int singlenumber; public string Shopname { get { return shopname; } set { shopname = value; } } public double Pr...

//估计还没有学三层 所以就用这个吧 string connstr=ConfigurationManager.ConnectionStrings["connStr"].ConnectionString;//web.config里面去配 public SqlConnection GetConn() { return new SqlConnection(connstr); } public void BindData...

string tablename = ""; tablename = textBox1.Text.ToString(); //连接字符串(你自己要改的) const string sqlstring = @"Data Source=.\SQLEXPRESS;Initial Catalog=text;Integrated Security=True"; SqlConnection conn = new SqlConnectio...

SqlConnection con = new SqlConnection("你的数据库连接字符串");//建立连接 con.Open();//打开连接 string sql = string.Format("select * from 你的表名 where 姓名={0} and 电子邮件={1} and 所属部门={2} ",this.textbox1.text,this.textbo...

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