C# gridview删除行
我试图从gridview中删除行,但当我这样做时,它会从其他行中的其他控件中删除当前值 删除随机行之后,我还得到以下错误C# gridview删除行,c#,asp.net,gridview,C#,Asp.net,Gridview,我试图从gridview中删除行,但当我这样做时,它会从其他行中的其他控件中删除当前值 删除随机行之后,我还得到以下错误 索引超出范围。必须为非负数且小于集合的大小。 参数名称:索引 protected void gvShoppingCart_RowCommand(object sender, GridViewCommandEventArgs e) { //This is the method that responds to the Remove button's click even
索引超出范围。必须为非负数且小于集合的大小。
参数名称:索引
protected void gvShoppingCart_RowCommand(object sender, GridViewCommandEventArgs e)
{
//This is the method that responds to the Remove button's click event
#region remove item
if (e.CommandName == "Remove")
{
int rowid = Convert.ToInt32(e.CommandArgument);
//Response.Write(rowid);
// Response.End();
//Gridview1.DeleteRow(rowid);
//Response.Write(Convert.ToInt32(e.CommandArgument));
// Response.End();
int rowIndex = rowid;
if (ViewState["CurrentTable"] != null)
{
DataTable dtCurrentTable = (DataTable)ViewState["CurrentTable"];
DataRow drCurrentRow = null;
if (dtCurrentTable.Rows.Count > 0)
{
for (int i = 0; i < dtCurrentTable.Rows.Count; i++)
{
TextBox box1 = (TextBox)Gridview1.Rows[rowIndex - 1].Cells[1].FindControl("TextBox1");
TextBox box2 = (TextBox)Gridview1.Rows[rowIndex - 1].Cells[2].FindControl("TextBox2");
TextBox box3 = (TextBox)Gridview1.Rows[rowIndex - 1].Cells[3].FindControl("TextBox3");
TextBox box4 = (TextBox)Gridview1.Rows[rowIndex - 1].Cells[4].FindControl("TextBox4");
TextBox box5 = (TextBox)Gridview1.Rows[rowIndex - 1].Cells[5].FindControl("TextBox5");
box1.Text = dtCurrentTable.Rows[i]["Column1"].ToString();
box2.Text = dtCurrentTable.Rows[i]["Column2"].ToString();
box3.Text = dtCurrentTable.Rows[i]["Column3"].ToString();
box4.Text = dtCurrentTable.Rows[i]["Column4"].ToString();
box5.Text = dtCurrentTable.Rows[i]["Column5"].ToString();
}
dtCurrentTable.Rows.RemoveAt(rowid - 1);
/*dtCurrentTable.Rows[i - 1]["Column1"] = box1.Text;
dtCurrentTable.Rows[i - 1]["Column2"] = box2.Text;
dtCurrentTable.Rows[i - 1]["Column3"] = box3.Text;
dtCurrentTable.Rows[i - 1]["Column4"] = box4.Text;
dtCurrentTable.Rows[i - 1]["Column5"] = box5.Text;*/
}
ViewState["CurrentTable"] = dtCurrentTable;
Gridview1.DataSource = dtCurrentTable;
Gridview1.DataBind();
}
else
{
Response.Write("ViewState is null");
}
}
}
protectedvoid gvShoppingCart_row命令(对象发送方,GridViewCommandEventArgs e)
{
//这是响应Remove按钮的click事件的方法
#区域删除项目
如果(例如,CommandName==“删除”)
{
int rowid=Convert.ToInt32(e.CommandArgument);
//Response.Write(rowid);
//Response.End();
//Gridview1.DeleteRow(rowid);
//Write(Convert.ToInt32(e.CommandArgument));
//Response.End();
int rowIndex=rowid;
如果(ViewState[“CurrentTable”]!=null)
{
DataTable dtCurrentTable=(DataTable)视图状态[“CurrentTable”];
DataRow drCurrentRow=null;
如果(dtCurrentTable.Rows.Count>0)
{
对于(int i=0;i
感谢您的帮助将您的状况更改为
if (dtCurrentTable.Rows.Count > 0 && dtCurrentTable.Rows.Count > rowIndex)
注:
你确定e.CommandArgum提供了该行的索引吗?您好,感谢您的回复,e.commandargumnet是正确的,它检索了行号,因此我必须添加-1以获得正确的数据行。当我删除几行时,commandargument不会更新如果您将调试设置更改为始终引发异常,这会给您带来什么新信息?(调试->异常->勾选公共语言运行时异常的抛出列)