コード例 #1
0
ファイル: MatDocsForm.cs プロジェクト: HarryGuo221/Warehouse
        /// <summary>
        /// 添加技术资料附件
        /// </summary>
        private void btnAddMatDoc_Click(object sender, EventArgs e)
        {
            if (this.s_DocName.Text.Trim() == "")
            {
                MessageBox.Show("请先填写资料名称!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }

            //判断是否存在记录
            string strSqlSel = "";

            if (this.Type == "add")
            {
                strSqlSel = "select * from T_MatDocs where DocName='{0}'";
            }
            else
            {
                strSqlSel = "select * from T_MatDocs where DocName='{0}' and sysid!=" + this.sysid_;
            }

            strSqlSel = string.Format(strSqlSel, this.s_DocName.Text.Trim());
            bool isExist = (new DBUtil()).yn_exist_data(strSqlSel);

            if (isExist)
            {
                MessageBox.Show("该资料名已存在!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }


            OpenFileDialog fd = new OpenFileDialog();

            fd.Filter = "word文档(*.doc)|*.doc|Excel电子表格(*.xls)|*.xls|所有文件(*.*)|*.*";
            if (fd.ShowDialog() == DialogResult.OK)
            {
                string fileName = fd.FileName;
                string fileExt  = fileName.Substring(fileName.LastIndexOf('.'));
                //将文件读入到字节数组
                System.IO.FileStream fs = new System.IO.FileStream(fd.FileName, System.IO.FileMode.Open, System.IO.FileAccess.Read);
                byte[] buffByte         = new byte[fs.Length];
                fs.Read(buffByte, 0, (int)fs.Length);
                fs.Close();
                fs = null;

                SqlDBConnect dbc  = new SqlDBConnect();
                string       sql_ = "update T_MatDocs set DocBlob=@file,doctype=@doctype where sysid='{0}'";
                sql_ = string.Format(sql_, this.sysid_);

                SqlCommand cm = new SqlCommand();
                cm.Connection = dbc.conn;
                dbc.OpenDb();
                cm.CommandText = sql_;
                cm.Parameters.Add("@file", System.Data.SqlDbType.Image);
                cm.Parameters.Add("@doctype", System.Data.SqlDbType.NChar);
                cm.Parameters[0].Value = buffByte;
                cm.Parameters[1].Value = fileExt;
                try
                {
                    cm.ExecuteNonQuery();
                    MessageBox.Show("上传成功", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                }
                catch (Exception ex)
                {
                    MessageBox.Show("上传失败" + ex.ToString(), "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                }
                dbc.CloseDb();
            }
        }
コード例 #2
0
        /// <summary>
        /// 添加附件
        /// </summary>
        private void btnAddDoc_Click(object sender, EventArgs e)
        {
            #region 验证
            if (this.dataGridView1.SelectedRows.Count <= 0)
            {
                return;
            }
            if (this.dataGridView1.SelectedRows[0].Cells["sysid"].Value == null)
            {
                return;
            }
            if (this.dataGridView1.SelectedRows[0].Cells["barsysid"].Value == null)
            {
                return;
            }

            if (this.s_AttachName.Text.Trim() == "")
            {
                MessageBox.Show("请先填写附件名称!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }
            //判断是否存在记录
            string strSqlSel = "select * from T_BargAttach where barsysid={0} and AttachName='{1}'";
            strSqlSel = string.Format(strSqlSel, this.barsysid, this.s_AttachName.Text.Trim());
            bool isExist = (new DBUtil()).yn_exist_data(strSqlSel);
            if (isExist == false)
            {
                MessageBox.Show("该记录不存在,不能为其添加附件!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }
            #endregion

            OpenFileDialog fd = new OpenFileDialog();
            fd.Filter = "word文档(*.doc)|*.doc|Excel电子表格(*.xls)|*.xls|所有文件(*.*)|*.*";
            if (fd.ShowDialog() == DialogResult.OK)
            {
                string fileName = fd.FileName;
                string fileExt  = fileName.Substring(fileName.LastIndexOf('.'));
                //将文件读入到字节数组
                System.IO.FileStream fs = new System.IO.FileStream(fd.FileName, System.IO.FileMode.Open, System.IO.FileAccess.Read);
                byte[] buffByte         = new byte[fs.Length];
                fs.Read(buffByte, 0, (int)fs.Length);
                fs.Close();
                fs = null;

                SqlDBConnect dbc  = new SqlDBConnect();
                string       sql_ = "update T_BargAttach set Attachment=@file,doctype=@doctype where barsysid={0} and AttachName='{1}'";
                sql_ = string.Format(sql_, this.barsysid, this.s_AttachName.Text.Trim());

                SqlCommand cm = new SqlCommand();
                cm.Connection = dbc.conn;
                dbc.OpenDb();
                cm.CommandText = sql_;
                cm.Parameters.Add("@file", System.Data.SqlDbType.Image);
                cm.Parameters.Add("@doctype", System.Data.SqlDbType.NChar);
                cm.Parameters[0].Value = buffByte;
                cm.Parameters[1].Value = fileExt;
                try
                {
                    cm.ExecuteNonQuery();
                    MessageBox.Show("绑定成功", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    initdataGridview();
                }
                catch (Exception ex)
                {
                    MessageBox.Show("绑定失败" + ex.ToString(), "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                }
                dbc.CloseDb();
            }
        }