public partial class Gridvw_expt2 : System.Web.UI.Page
{
SqlCommand com;
SqlDataAdapter da;
DataSet ds;
SqlConnection con=new SqlConnection(ConfigurationManager.ConnectionStrings["gj"].ConnectionString);
protected void Page_Load(object sender, EventArgs e)
{
com = new SqlCommand("Select * from tblExpt",con);
da = new SqlDataAdapter(com);
ds = new DataSet();
da.Fill(ds);
if (ds.Tables[0].Rows[0] != null)
{
GridView1.AutoGenerateEditButton = true;
GridView1.DataSource = ds;
GridView1.DataBind();
GridView1.RowUpdating += new GridViewUpdateEventHandler(GridView1_RowUpdating);
GridView1.DataKeyNames = new string[] { "id" };
GridView1.RowEditing += new GridViewEditEventHandler(GridView1_RowEditing);
}
else
Response.Write("fkj");
}
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
GridViewRow row = GridView1.Rows[e.RowIndex];
int id = Convert.ToInt32(GridView1.DataKeys[e.RowIndex].Value);
string cls = ((TextBox)(row.Cells[2].Controls[0])).Text;
string nam = ((TextBox)(row.Cells[3].Controls[0])).Text;
foreach (DictionaryEntry entry in e.NewValues)
{
e.NewValues[entry.Key] = Server.HtmlEncode(entry.Value.ToString());
}
com = new SqlCommand("Update tblExpt set name='" + nam + "',class='" + cls + "' where id='" + id + "'", con);
da = new SqlDataAdapter(com);
GridView1.EditIndex = -1;
GridView1.DataSource = ds;
GridView1.DataBind();
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
GridView1.DataSource = ds;
GridView1.DataBind();
}
在上面的代碼時,我嘗試訪問e.new值索引超出範圍的異常被拋出。
被訪問的表包含3個字段id,class,名稱 請幫助解決問題。
務必閱讀下面balso幫助ühttp://bytes.com/topic/net/answers/579772-gridview-update-cannot-retrieve-new-values – Learner 2011-01-24 13:47:08