Csharp/C Sharp/Database ADO.net/Data Bind TextBox

Bind Database table column to TextBox

using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;
    public class Form1 : System.Windows.Forms.Form {
        private System.Windows.Forms.TextBox textBox1;
        private System.Windows.Forms.TextBox textBox2;
        private System.ruponentModel.Container components = null;
        public Form1() {
            InitializeComponent();
        }
        private void InitializeComponent(){
         this.textBox1 = new System.Windows.Forms.TextBox();
         this.textBox2 = new System.Windows.Forms.TextBox();
         this.SuspendLayout();
         this.textBox1.Location = new System.Drawing.Point(8, 8);
         this.textBox1.Name = "textBox1";
         this.textBox1.Size = new System.Drawing.Size(192, 20);
         this.textBox1.TabIndex = 0;
         this.textBox1.Text = "textBox1";
         this.textBox2.Location = new System.Drawing.Point(8, 40);
         this.textBox2.Name = "textBox2";
         this.textBox2.Size = new System.Drawing.Size(184, 20);
         this.textBox2.TabIndex = 1;
         this.textBox2.Text = "textBox2";
         this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
         this.ClientSize = new System.Drawing.Size(208, 76);
         this.Controls.Add(this.textBox2);
         this.Controls.Add(this.textBox1);
         this.Name = "Form1";
         this.Text = "Form1";
         this.Load += new System.EventHandler(this.Form1_Load);
         this.ResumeLayout(false);
      }
      static void Main() {
            Application.Run(new Form1());
      }
      private void Form1_Load(object sender, System.EventArgs e) {
         string connString = "server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI";
         string sql = @"select * from employee ";
         SqlConnection conn = new SqlConnection(connString);
         SqlDataAdapter da = new SqlDataAdapter(sql, conn);
         DataSet ds = new DataSet();
         da.Fill(ds, "employee");
         // Bind to FirstName column of the Employees table 
         textBox1.DataBindings.Add("text", ds, "employee.firstname");
         // Bind to LastName column of the Employees table
         textBox2.DataBindings.Add("text", ds, "employee.lastname");
      }
    }

Bind DataSet to TextBox

 
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Configuration;
using System.Data.SqlClient;
public class Form1 : Form {
    public Form1() {
        InitializeComponent();
        DataSet ds = CreateDataSet();
        textBox1.DataBindings.Add("Text", ds.Tables["Products"], "ProductName");
    }
    private DataSet CreateDataSet() {
        string customers = "SELECT * FROM Products";
        DataSet ds = new DataSet();
        using (SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["northwind"].ConnectionString)) {
            SqlDataAdapter da = new SqlDataAdapter(customers, con);
            da.Fill(ds, "Products");
        }
        return ds;
    }
    private void InitializeComponent() {
        this.textBox1 = new System.Windows.Forms.TextBox();
        this.SuspendLayout();
        // 
        // textBox1
        // 
        this.textBox1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
                    | System.Windows.Forms.AnchorStyles.Right)));
        this.textBox1.Location = new System.Drawing.Point(12, 12);
        this.textBox1.Name = "textBox1";
        this.textBox1.Size = new System.Drawing.Size(370, 20);
        this.textBox1.TabIndex = 0;
        // 
        // Form1
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(394, 44);
        this.Controls.Add(this.textBox1);
        this.Name = "Form1";
        this.Text = "SimpleDataBinding";
        this.ResumeLayout(false);
        this.PerformLayout();
    }

    private System.Windows.Forms.TextBox textBox1;
    [STAThread]
    static void Main() {
        Application.EnableVisualStyles();
        Application.SetCompatibleTextRenderingDefault(false);
        Application.Run(new Form1());
    }
}

Bind String array to a TextBox

using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
    public class Form1 : System.Windows.Forms.Form {
      private System.Windows.Forms.TextBox textBox1;
      private System.ruponentModel.Container components = null;
      public Form1() {
        InitializeComponent();
      }
      private void InitializeComponent(){
         this.textBox1 = new System.Windows.Forms.TextBox();
         this.SuspendLayout();
         this.textBox1.Location = new System.Drawing.Point(16, 8);
         this.textBox1.Name = "textBox1";
         this.textBox1.Size = new System.Drawing.Size(144, 20);
         this.textBox1.TabIndex = 0;
         this.textBox1.Text = "textBox1";
         this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
         this.ClientSize = new System.Drawing.Size(176, 36);
         this.Controls.Add(this.textBox1);
         this.Name = "Form1";
         this.Text = "Form1";
         this.Load += new System.EventHandler(this.Form1_Load);
         this.ResumeLayout(false);
      }
 
      static void Main() {
            Application.Run(new Form1());
      }
      private void Form1_Load(object sender, System.EventArgs e) {
         String[] names = new String[] {"A", "B", "C", "D", "E"};
         textBox1.DataBindings.Add("text", names, null);
      }
    }

DataView Binding to TextBox

using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;
   public class Form1 : System.Windows.Forms.Form {
      private System.Windows.Forms.TextBox textBox1;
      private System.Windows.Forms.TextBox textBox2;
      private System.Data.DataSet dataSet1;
 
      private System.ruponentModel.Container components = null;
      public Form1() {
         InitializeComponent();
      }
      private void InitializeComponent() {
         this.textBox1 = new System.Windows.Forms.TextBox();
         this.textBox2 = new System.Windows.Forms.TextBox();
         this.dataSet1 = new System.Data.DataSet();
         ((System.ruponentModel.ISupportInitialize)(this.dataSet1)).BeginInit();
         this.SuspendLayout();
 
         this.textBox1.Location = new System.Drawing.Point(16, 0);
         this.textBox1.Name = "textBox1";
         this.textBox1.TabIndex = 0;
         this.textBox1.Text = "textBox1";
 
         this.textBox2.Location = new System.Drawing.Point(16, 24);
         this.textBox2.Name = "textBox2";
         this.textBox2.TabIndex = 1;
         this.textBox2.Text = "textBox2";
 
         this.dataSet1.DataSetName = "NewDataSet";
         this.dataSet1.Locale = new System.Globalization.CultureInfo("en-GB");
 
         this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
         this.ClientSize = new System.Drawing.Size(128, 45);
         this.Controls.AddRange(new System.Windows.Forms.Control[] {this.textBox2,this.textBox1});
         this.Name = "Form1";
         this.Text = "Form1";
         this.Load += new System.EventHandler(this.Form1_Load);
         ((System.ruponentModel.ISupportInitialize)(this.dataSet1)).EndInit();
         this.ResumeLayout(false);
      }
      static void Main() {
         Application.Run(new Form1());
      }
      private void Form1_Load(object sender, System.EventArgs e) {
         string connString = "server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI";
         string SQL = @"select * from employee";
         SqlConnection Conn = new SqlConnection(connString);
         SqlDataAdapter da = new SqlDataAdapter(SQL, Conn);
         da.Fill(dataSet1, "Employee");
         DataTable myTable = dataSet1.Tables["Employee"];
         DataView dv = new DataView(myTable, "FirstName="Z"","FirstName", DataViewRowState.CurrentRows);
         textBox1.DataBindings.Add("Text", dv, "FirstName");
         textBox2.DataBindings.Add("Text", dv, "LastName");
      }
   }

Simple DataBinding to TextBox

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Windows.Forms;
class Form1 : Form {
    public Form1() {
        InitializeComponent();
        DataSet ds = CreateDataSet();
        textBox.DataBindings.Add("Text", ds.Tables["Products"], "ProductName");
    }
    private DataSet CreateDataSet() {
        string customers = "SELECT * FROM Products";
        DataSet ds = new DataSet();
        using (SqlConnection con = new SqlConnection(ConfigurationSettings.ConnectionStrings["northwind"].ConnectionString)) {
            SqlDataAdapter da = new SqlDataAdapter(customers, con);
            da.Fill(ds, "Products");
        }
        return ds;
    }
    private void InitializeComponent() {
        this.textBox = new System.Windows.Forms.TextBox();
        this.SuspendLayout();
        // 
        // textBox
        // 
        this.textBox.Location = new System.Drawing.Point(13, 13);
        this.textBox.Name = "textBox";
        this.textBox.Size = new System.Drawing.Size(477, 20);
        this.textBox.TabIndex = 0;
        // 
        // Form1
        this.Controls.Add(this.textBox);
        this.ResumeLayout(false);
        this.PerformLayout();
    }

    private System.Windows.Forms.TextBox textBox;
    [STAThread]
    static void Main() {
        Application.EnableVisualStyles();
        Application.EnableRTLMirroring();
        Application.Run(new Form1());
    }
}