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How to show table dynamically related to value entered in textbox

1 New Member
hi all
below is the code in aspx page which has a tablewith id=rav
so what i want is i have a texbox and button control if i enter some value in textbox( ie users choice) and click on button the value how much ihave entered that much tables should be displayed

so any body give me any examples or give me any idea





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  1. <form id="form1" runat="server"> <table class="auto-style1" id="rav" runat="server"> <tr> <td class="auto-style2">  Children first name </td> <td class="auto-style31"> <asp:TextBox ID="TextBox7" runat="server" CssClass="auto-style37" Width="185px"></asp:TextBox> </td> </tr> <tr> <td class="auto-style2"> <span class="auto-style18">Children last name  </span></td> <td class="auto-style33"> <asp:TextBox ID="TextBox8" runat="server" CssClass="auto-style37" Width="186px"></asp:TextBox> </td> </tr> <tr> <td class="auto-style2"> <span class="auto-style18"> Going to school?: </span></td> <td class="auto-style35"> <span class="auto-style18"> </span> <asp:RadioButton ID="RadioButton1" runat="server" CssClass="auto-style18" Text="Yes" /> <asp:RadioButton ID="RadioButton2" runat="server" CssClass="auto-style18" Text="No" /> </td> </tr> <tr> <td class="auto-style2"> <span class="auto-style18">school name : </span></td> <td class="auto-style31"> <asp:TextBox ID="TextBox9" runat="server" CssClass="auto-style38" Width="147px"></asp:TextBox> </td> </tr> <tr> <td class="auto-style2"> <span class="auto-style18">Grade :</span></td> <td class="auto-style33"> <asp:DropDownList ID="DropDownList1" cssClass="select" AutoPostBack="True" runat="server"> <asp:ListItem>1st Grade</asp:ListItem> <asp:ListItem>2nd Grade</asp:ListItem> <asp:ListItem>3rd Grade</asp:ListItem> <asp:ListItem>4th Grade</asp:ListItem> <asp:ListItem>5th Grade</asp:ListItem> </asp:DropDownList> </td> </tr> <td><asp:Button ID="Button1" runat="server" Text="save" /> </table> <asp:TextBox ID="TextBox1" runat="server" OnTextChanged="TextBox1_TextChanged"></asp:TextBox> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" /> </form>
Oct 12 '15 #1
1 1794
adriancs
122 New Member
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  1. <!DOCTYPE html>
  2.  
  3. <html xmlns="http://www.w3.org/1999/xhtml">
  4. <head runat="server">
  5.     <title></title>
  6.     <style type="text/css">
  7.         table{
  8.             border-collapse: collapse;
  9.         }
  10.         th, td{
  11.             border: 1px solid black;
  12.             padding: 5px;
  13.         }
  14.     </style>
  15. </head>
  16. <body>
  17.     <form id="form1" runat="server">
  18.  
  19.         <asp:Panel ID="Panel1" runat="server">
  20.             Number of Records <asp:TextBox runat="server" ID="txtNoRecords" Text="5"></asp:TextBox>
  21.             <asp:Button ID="btGetRow" runat="server" Text="Get Rows" OnClick="btGetRow_Click" />
  22.             <br />
  23.             <br />
  24.             <asp:Button ID="btSave" runat="server" Text="Save Data" OnClick="btSave_Click" />
  25.             <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False">
  26.                 <Columns>
  27.                     <asp:BoundField DataField="ID" HeaderText="ID" />
  28.                     <asp:TemplateField HeaderText="First Name">
  29.                         <ItemTemplate>
  30.                             <asp:TextBox ID="txtFirstName" runat="server"></asp:TextBox>
  31.                         </ItemTemplate>
  32.                     </asp:TemplateField>
  33.                     <asp:TemplateField HeaderText="Last Name">
  34.                         <ItemTemplate>
  35.                             <asp:TextBox ID="txtLastName" runat="server"></asp:TextBox>
  36.                         </ItemTemplate>
  37.                     </asp:TemplateField>
  38.                     <asp:TemplateField HeaderText="Go To School">
  39.                         <ItemTemplate>
  40.                             <asp:DropDownList runat="server" ID="dropGoToSchool">
  41.                                 <asp:ListItem Value="Yes">Yes</asp:ListItem>
  42.                                 <asp:ListItem Value="No">No</asp:ListItem>
  43.                             </asp:DropDownList>
  44.                         </ItemTemplate>
  45.                     </asp:TemplateField>
  46.                     <asp:TemplateField HeaderText="School Name">
  47.                         <ItemTemplate>
  48.                             <asp:TextBox runat="server" ID="txtSchoolName"></asp:TextBox>
  49.                         </ItemTemplate>
  50.                     </asp:TemplateField>
  51.                     <asp:TemplateField HeaderText="Grade">
  52.                         <ItemTemplate>
  53.                             <asp:DropDownList ID="dropGrade" runat="server">
  54.                                 <asp:ListItem>1st Grade</asp:ListItem>
  55.                                 <asp:ListItem>2nd Grade</asp:ListItem>
  56.                                 <asp:ListItem>3rd Grade</asp:ListItem>
  57.                                 <asp:ListItem>4th Grade</asp:ListItem> 
  58.                                 <asp:ListItem>5th Grade</asp:ListItem>
  59.                             </asp:DropDownList>
  60.                         </ItemTemplate>
  61.                     </asp:TemplateField>
  62.                 </Columns>
  63.             </asp:GridView>
  64.         </asp:Panel>
  65.  
  66.         <asp:Panel ID="Panel2" runat="server" Visible="false">
  67.             Result:
  68.             <asp:GridView ID="GridView2" runat="server"></asp:GridView>
  69.         </asp:Panel>
  70.  
  71.     </form>
  72. </body>
  73. </html>
Code Behind:

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  1. public partial class WebForm1 : System.Web.UI.Page
  2. {
  3.     DataTable dt
  4.     {
  5.         get
  6.         {
  7.             return (DataTable)ViewState["dt"];
  8.         }
  9.         set
  10.         {
  11.             ViewState["dt"] = value;
  12.         }
  13.     }
  14.  
  15.     protected void Page_Load(object sender, EventArgs e)
  16.     {
  17.  
  18.     }
  19.  
  20.     void CreateTable()
  21.     {
  22.         if (dt == null)
  23.         {
  24.             dt = new DataTable();
  25.             dt.Columns.Add("ID");
  26.             dt.Columns.Add("First Name");
  27.             dt.Columns.Add("Last Name");
  28.             dt.Columns.Add("Go To School");
  29.             dt.Columns.Add("School Name");
  30.             dt.Columns.Add("Grade");
  31.         }
  32.     }
  33.  
  34.     void LoadForm()
  35.     {
  36.         GridView1.DataSource = dt;
  37.         GridView1.DataBind();
  38.  
  39.         for (int i = 0; i < dt.Rows.Count; i++)
  40.         {
  41.             GridViewRow gr = GridView1.Rows[i];
  42.             DataRow dr = dt.Rows[i];
  43.             ((TextBox)gr.FindControl("txtFirstName")).Text = dr["First Name"] + "";
  44.             ((TextBox)gr.FindControl("txtLastName")).Text = dr["Last Name"] + "";
  45.             ((DropDownList)gr.FindControl("dropGoToSchool")).SelectedValue = dr["Go To School"] + "";
  46.             ((TextBox)gr.FindControl("txtSchoolName")).Text = dr["School Name"] + "";
  47.             ((DropDownList)gr.FindControl("dropGrade")).SelectedValue = dr["Grade"] + "";
  48.         }
  49.     }
  50.  
  51.     void GenerateResult()
  52.     {
  53.         GridView2.DataSource = dt;
  54.         GridView2.DataBind();
  55.     }
  56.  
  57.     protected void btGetRow_Click(object sender, EventArgs e)
  58.     {
  59.         CreateTable();
  60.  
  61.         int totalRows = 0;
  62.         int.TryParse(txtNoRecords.Text, out totalRows);
  63.         txtNoRecords.Text = totalRows.ToString();
  64.  
  65.         while (dt.Rows.Count < totalRows)
  66.         {
  67.             DataRow dr = dt.NewRow();
  68.             dt.Rows.Add(dr);
  69.         }
  70.  
  71.         while (dt.Rows.Count > totalRows)
  72.         {
  73.             dt.Rows.RemoveAt(dt.Rows.Count - 1);
  74.         }
  75.  
  76.         for (int i = 0; i < dt.Rows.Count; i++)
  77.         {
  78.             dt.Rows[i]["ID"] = (i + 1).ToString();
  79.         }
  80.  
  81.         LoadForm();
  82.  
  83.         GenerateResult();
  84.     }
  85.  
  86.     protected void btSave_Click(object sender, EventArgs e)
  87.     {
  88.         for (int i = 0; i < dt.Rows.Count; i++)
  89.         {
  90.             GridViewRow gr = GridView1.Rows[i];
  91.             DataRow dr = dt.Rows[i];
  92.             dr["First Name"] = ((TextBox)gr.FindControl("txtFirstName")).Text;
  93.             dr["Last Name"] = ((TextBox)gr.FindControl("txtLastName")).Text;
  94.             dr["Go To School"] = ((DropDownList)gr.FindControl("dropGoToSchool")).SelectedValue;
  95.             dr["School Name"] = ((TextBox)gr.FindControl("txtSchoolName")).Text;
  96.             dr["Grade"] = ((DropDownList)gr.FindControl("dropGrade")).SelectedValue;
  97.         }
  98.  
  99.         GenerateResult();
  100.  
  101.         Panel1.Visible = false;
  102.         Panel2.Visible = true;
  103.     }
  104. }
Dec 23 '15 #2

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