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hi ,

am adding rows to the gridview without using a database like below code
how can i delete the row from gridview
public static DataTable dt;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            dt = new DataTable();
            DataRow dr = null;
            dt.Columns.Add(new DataColumn("RowNumber", typeof(string)));
            dt.Columns.Add(new DataColumn("Column1", typeof(string)));
            dt.Columns.Add(new DataColumn("Column2", typeof(string)));
            dr = dt.NewRow();
            dr["RowNumber"] = 1;
            dr["Column1"] = "column1cell";
            dr["Column2"] = "column2cell";
            dt.Rows.Add(dr);
            GridView1.DataSource = dt;
            GridView1.DataBind();
        }
    }


protected void Button1_Click(object sender, EventArgs e)
    {
        if (dt.Rows.Count > 0)
        {
            dt.Rows.RemoveAt(0);
            GridView1.DataSource = dt;
            GridView1.DataBind();
        }
    }
Posted 8-Dec-11 3:12am
Comments
Member 8635497 31-May-12 3:39am
   
A field or property with the name 'RowNumber' was not found on the selected data source. how to remove it
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Solution 1

http://www.codersource.net/asp-net/asp-net-2-0/grid-view-control-in-asp-net-2-0.aspx[^]

Follow this link and see how to set the EDITING, DELETING in datagridview........Smile | :)
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Solution 2

hi ,
i have made the selected row of the grid view visible=false
used session for this

DataTable table = (DataTable)Session["CurrentData"];
       for (int i = GridView1.Rows.Count - 1; i >= 0; i--)
       {
           CheckBox chkbox = (CheckBox)GridView1.Rows[i].Cells[0].FindControl("selector");
           if (chkbox.Checked)
           {
               GridView1.Rows[i].Visible = false;
           }
 
       }

here the selector is the gridview checkbox id
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v2
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Solution 3

DataTable table = (DataTable)Session["CurrentData"];
for (int i = GridView1.Rows.Count - 1; i >= 0; i--)
        {
 
            CheckBox chkbox = (CheckBox)GridView1.Rows[i].Cells[0].FindControl("selector");
            if (chkbox.Checked)
            {
                // GridView1.Rows[i].Visible = false;

                myDt.Rows.RemoveAt(i);
                DataTable myDt1 = (DataTable)Session["tabel"];
                GridView1.DataSource = myDt1;
                GridView1.DataBind();
 

            }
        }
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Solution 4

Hi,

Try this code it is working

protected void grdDaily_RowCreated(object sender, GridViewRowEventArgs e)
            {
                        if (e.Row.RowType == DataControlRowType.DataRow)
                        {
                              DataTable dt = (DataTable)ViewState["CurrentTable"];
                              LinkButton lb = (LinkButton)e.Row.FindControl("LB_Remove");
                              if (lb != null)
                              {
                              if (dt.Rows.Count > 1)
                              {
                              if (e.Row.RowIndex == dt.Rows.Count - 1)
                              {
                              lb.Visible = false;
                              }
                              }
                              else
                              {
                              lb.Visible = false;
                              }
                              }
                     }
            }
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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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