http://www.nfex.ru/index.php?action=history&feed=atom&title=Csharp%2FC_Sharp%2FDatabase_ADO.net%2FDataBinding_TrackBar 2026-04-13T20:18:20Z История изменений этой страницы в вики MediaWiki 1.30.0 http://www.nfex.ru/index.php?title=Csharp/C_Sharp/Database_ADO.net/DataBinding_TrackBar&diff=937&oldid=prev 2010-05-26T15:31:19Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr style="vertical-align: top;" lang="ru"> <td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td> <td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 15:31, 26 мая 2010</td> </tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div> </td></tr></table>

http://www.nfex.ru/index.php?title=Csharp/C_Sharp/Database_ADO.net/DataBinding_TrackBar&diff=938&oldid=prev 2010-05-26T11:42:26Z

<p>1 версия</p> <p><b>Новая страница</b></p><div>==Scrolling Data Binding==<br /> <br /> <br /> <br /> &lt;source lang=&quot;csharp&quot;&gt; <br /> using System;<br /> using System.Collections.Generic;<br /> using System.ruponentModel;<br /> using System.Data;<br /> using System.Drawing;<br /> using System.Text;<br /> using System.Windows.Forms;<br /> using System.Configuration;<br /> using System.Data.SqlClient;<br /> public class Form1 : Form {<br /> public Form1() {<br /> InitializeComponent();<br /> }<br /> private void retrieve_Click(object sender, EventArgs e) {<br /> retrieve.Enabled = false;<br /> ds = CreateDataSet();<br /> textName.DataBindings.Add(&quot;Text&quot;, ds, &quot;Products.ProductName&quot;);<br /> textQuan.DataBindings.Add(&quot;Text&quot;, ds, &quot;Products.QuantityPerUnit&quot;);<br /> trackBar.Minimum = 0;<br /> trackBar.Maximum = this.BindingContext[ds, &quot;Products&quot;].Count - 1;<br /> textName.Enabled = true;<br /> textQuan.Enabled = true;<br /> trackBar.Enabled = true;<br /> }<br /> private DataSet CreateDataSet() {<br /> string customers = &quot;SELECT * FROM Products&quot;;<br /> DataSet ds = new DataSet();<br /> using (SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings[&quot;northwind&quot;].ConnectionString)) {<br /> SqlDataAdapter da = new SqlDataAdapter(customers, con);<br /> da.Fill(ds, &quot;Products&quot;);<br /> }<br /> return ds;<br /> }<br /> private void trackBar_Scroll(object sender, EventArgs e) {<br /> this.BindingContext[ds, &quot;Products&quot;].Position = trackBar.Value;<br /> }<br /> private DataSet ds;<br /> private void InitializeComponent() {<br /> this.retrieve = new System.Windows.Forms.Button();<br /> this.textName = new System.Windows.Forms.TextBox();<br /> this.textQuan = new System.Windows.Forms.TextBox();<br /> this.trackBar = new System.Windows.Forms.TrackBar();<br /> ((System.ruponentModel.ISupportInitialize)(this.trackBar)).BeginInit();<br /> this.SuspendLayout();<br /> this.retrieve.Location = new System.Drawing.Point(12, 12);<br /> this.retrieve.Size = new System.Drawing.Size(75, 23);<br /> this.retrieve.Text = &quot;Retrieve&quot;;<br /> this.retrieve.UseVisualStyleBackColor = true;<br /> this.retrieve.Click += new System.EventHandler(this.retrieve_Click);<br /> this.textName.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)<br /> | System.Windows.Forms.AnchorStyles.Right)));<br /> this.textName.Enabled = false;<br /> this.textName.Location = new System.Drawing.Point(12, 42);<br /> this.textName.Size = new System.Drawing.Size(268, 20);<br /> this.textQuan.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)<br /> | System.Windows.Forms.AnchorStyles.Right)));<br /> this.textQuan.Enabled = false;<br /> this.textQuan.Location = new System.Drawing.Point(13, 69);<br /> this.textQuan.Size = new System.Drawing.Size(267, 20);<br /> this.trackBar.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)<br /> | System.Windows.Forms.AnchorStyles.Right)));<br /> this.trackBar.Enabled = false;<br /> this.trackBar.Location = new System.Drawing.Point(13, 96);<br /> this.trackBar.Size = new System.Drawing.Size(267, 45);<br /> this.trackBar.Scroll += new System.EventHandler(this.trackBar_Scroll);<br /> this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);<br /> this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;<br /> this.ClientSize = new System.Drawing.Size(292, 148);<br /> this.Controls.Add(this.trackBar);<br /> this.Controls.Add(this.textQuan);<br /> this.Controls.Add(this.textName);<br /> this.Controls.Add(this.retrieve);<br /> this.Name = &quot;Form1&quot;;<br /> this.Text = &quot;ScrollingDataBinding&quot;;<br /> ((System.ruponentModel.ISupportInitialize)(this.trackBar)).EndInit();<br /> this.ResumeLayout(false);<br /> this.PerformLayout();<br /> }<br /> <br /> private System.Windows.Forms.Button retrieve;<br /> private System.Windows.Forms.TextBox textName;<br /> private System.Windows.Forms.TextBox textQuan;<br /> private System.Windows.Forms.TrackBar trackBar;<br /> [STAThread]<br /> static void Main() {<br /> Application.EnableVisualStyles();<br /> Application.SetCompatibleTextRenderingDefault(false);<br /> Application.Run(new Form1());<br /> }<br /> }<br /> &lt;/source&gt;</div>

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