gridview connect to sql server [select/update/edit/insert]

asp.net , csharp , sql server Cebu, Philippines
  • 6 years ago

    hi,

    i would like to know on how to store all information to the database.

    on my program i used "DataTable" to pass a certain value to the gridview controller but it doesn't store directly to the sql server database.

    sample to this as shown:

    if (!IsPostBack) { DataTable dt = new DataTable();

            dt.Columns.Add("Id");
            dt.Columns.Add("Name");
            dt.Columns.Add("Gender");
    
            dt.Rows.Add("1", "Sheen Buhay", "Male");
            dt.Rows.Add("2", "Joji Buhay", "Female");
            dt.Rows.Add("3", "Oliver Buhay", "Male");
            dt.Rows.Add("4", "Elvie Buhay", "Female");
            dt.Rows.Add("5", "Steve Austin", "Male");
            dt.Rows.Add("6", "Alicia Keys", "Female");
    
            DTSample = dt;
            GridView1.DataSource = dt;
            GridView1.DataBind();
          }
    

    this program uses gridview to auto-populate the information to the textboxes for Id, Name & Gender without any database connection.

    what i would like to achieve here is i would like those data stored on the database and keep the same functionality for selecting, editing, updating directly from the gridview control.

    i have a sql command on insert, delete, update however it doesn't auto-populate to the grid if i select a certain record.

    i will provide the entire code for both aspx and aspx.cs extensions.

    default.aspx

    default.aspx.cs

    using System; using System.Data; using System.Web.UI; using System.Data.SqlClient; using System.Web.UI.WebControls;

    namespace WebApplication2 { public partial class _Default : System.Web.UI.Page {
    public DataTable DTSample { get { DataTable table = ViewState["DTSample"] as DataTable; return (table != null) ? table : null; } set { ViewState["DTSample"] = value; } }

       protected void Page_Load(object sender, EventArgs e)
        {
          if (!IsPostBack)
          {
            DataTable dt = new DataTable();
    
            dt.Columns.Add("Id");
            dt.Columns.Add("Name");
            dt.Columns.Add("Gender");
    
            dt.Rows.Add("1", "Sheen Buhay", "Male");
            dt.Rows.Add("2", "Joji Buhay", "Female");
            dt.Rows.Add("3", "Oliver Buhay",
    

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