C# Can';无法从Gridview获取值
我想通过gridview执行更新操作,但我想不通 我的观点是:C# Can';无法从Gridview获取值,c#,asp.net,gridview,C#,Asp.net,Gridview,我想通过gridview执行更新操作,但我想不通 我的观点是: <asp:GridView ID="GridView1" runat="server" ShowFooter="True" AutoGenerateColumns="False" DataKeyNames="ID" OnDataBinding="GridView1_DataBinding" OnRowDeleting="GridView1_RowDeleting"
<asp:GridView ID="GridView1" runat="server" ShowFooter="True" AutoGenerateColumns="False" DataKeyNames="ID"
OnDataBinding="GridView1_DataBinding"
OnRowDeleting="GridView1_RowDeleting"
OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating">
<Columns>
<asp:CommandField ShowDeleteButton="True" ShowEditButton="True" />
<asp:BoundField DataField="ID" HeaderText="ID" ReadOnly="True" SortExpression="UserID" />
<asp:BoundField DataField="UserName" HeaderText="UserName" SortExpression="UserName" />
<asp:BoundField DataField="UserPW" HeaderText="UserPW" SortExpression="UserPW" />
<asp:BoundField DataField="UserType" HeaderText="UserType" SortExpression="UserType" />
</Columns>
</asp:GridView>
尝试:
如果你愿意,你甚至可以将它与
e.OldValues
进行比较。即使我做了研究,也不知道有这样的东西存在。谢谢你,这很有效@求爱者会的!等待堆栈溢出。我认为,当你在接受答案之前提出问题时,他们会让你冷静下来。
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
GridView1.DataBind();
}
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
int userID = Convert.ToInt32(this.GridView1.DataKeys[e.RowIndex]["ID"]);
var UserOperations = new ModelOperations.UserList.UserListOperations();
//TextBox uname = (TextBox)this.GridView1.Rows[e.RowIndex].FindControl("UserName");
string uname = this.GridView1.Rows[e.RowIndex].Cells[2].Text;
string upw = this.GridView1.Rows[e.RowIndex].Cells[3].Text;
//string uname = this.GridView1.SelectedRow.Cells[2].Text;
//string upw = this.GridView1.SelectedRow.Cells[3].Text;
//TextBox upw = (TextBox)this.GridView1.Rows[e.RowIndex].FindControl("UserPW");
var result = UserOperations.updateUser(userID, uname, upw);
GridView1.EditIndex = -1;
GridView1.DataBind();
}
string uname = e.NewValues["UserName"];
string upw = e.NewValues["UserPW"];