我试图删除一个GridView中的一行(数据还没有在数据库中),所以它应该是一个简单的删除行,如果有人可以请指点我在正确的方向... 。 这是我做了什么:GridView删除行
else if (e.CommandName == "DeletePart")
{
int index = Convert.ToInt32(e.CommandArgument); //#1 line
GridView1.DeleteRow(index); //#2 line
}
是我收到的错误是:“输入字符串的不正确的格式” (这发生在1号线)...
这是在GridView的样子:(使用一个LinkButton做删除)的GridView控件如何填充和绑定
<asp:GridView ID="GridView1" runat="server" AllowPaging="True"
EmptyDataText="No parts has been added to the model, please add a part."
BorderColor="Black" BorderStyle="Solid" BorderWidth="2px"
CellPadding="3" onrowcommand="GridView1_RowCommand"
onrowediting="GridView1_RowEditing" onrowdeleting="GridView1_RowDeleting">
<Columns>
<asp:TemplateField HeaderText="">
<ItemTemplate>
<asp:LinkButton ID="EditButton" runat="server" CssClass="EditButton" CommandName="Edit" Text="Edit" />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="">
<ItemTemplate>
<asp:LinkButton ID="DeleteButton" runat="server" CssClass="DeleteButton" CommandName="DeletePart" CommandArgument='<%# Container.DataItemIndex %>' Text="Delete" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
<HeaderStyle BackColor="#FFFFCC" BorderColor="Black" BorderStyle="Solid"
BorderWidth="2px" />
</asp:GridView>
类:
public int companyID = 0;
public int methodID = 0;
DataTable dt;
#region SQLConnections
string connectionString = ConfigurationManager.ConnectionStrings["SOSConnectionString"].ConnectionString;
SqlConnection conn;
#endregion
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
dt = new DataTable();
MakeDataTable();
EmptyDataString();
}
else
{
dt = (DataTable)ViewState["DataTable"];
}
ViewState["DataTable"] = dt;
}
#region GridView
private void EmptyDataString()
{
TemplateBuilder tmpEmptyDataTemplate = new TemplateBuilder();
tmpEmptyDataTemplate.AppendLiteralString("No parts has been added to the model, please add a part.");
GridView1.EmptyDataTemplate = tmpEmptyDataTemplate;
GridView1.DataBind();
}
private void MakeDataTable()
{
dt.Columns.Add("Item");
dt.Columns.Add("Quantity");
dt.Columns.Add("Price P/Quantity");
}
private void AddToDataTable()
{
DataRow dr = dt.NewRow();
dr["Item"] = txtPart.Text;
dr["Quantity"] = numQuantity.Text;
dr["Price P/Quantity"] = txtPricePQ.Text;
dt.Rows.Add(dr);
}
private void BindGrid()
{
GridView1.DataSource = dt;
GridView1.DataBind();
}
protected void btnAddPart_Click(object sender, EventArgs e)
{
AddToDataTable();
BindGrid();
ClearNewParts();
}
#endregion
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "Edit")
{
for (int i = 0; i < GridView1.Rows.Count; i++)
{
GridViewRow row = (GridViewRow)(((LinkButton)e.CommandSource).NamingContainer);
txtPart.Text = row.Cells[2].Text;
numQuantity.Text = row.Cells[3].Text;
txtPricePQ.Text = row.Cells[4].Text;
}
}
else if (e.CommandName == "DeletePart")
{
//int iCount = GridView1.Rows.Count;
//for (int i = 1; i <= iCount; i++)
//{
// GridView1.DeleteRow(i);
//}
// int rowIndex = Convert.ToInt32(GridView1.SelectedRow);
int index = Convert.ToInt32(e.CommandArgument);
GridView1.DeleteRow(index);
//int index = Convert.ToInt32(e.CommandArgument);
//GridView1.DeleteRow(rowIndex);
}
GridView1.DataBind();
}
你能调试,并出示e.CommandArgument的价值? – 2013-03-14 07:12:41
它打破了这个特定的行,如果我看看它只给这个值“”...有没有另一种方法来删除行? – Kerieks 2013-03-14 07:17:05
您是否尝试过'GridView1.SelectedIndex'来获取已删除行的索引? – noobob 2013-03-14 07:30:50